assignment statement flowchart

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  • 1.1 Preface
  • 1.2 Why Programming? Why Java?
  • 1.3 Variables and Data Types
  • 1.4 Expressions and Assignment Statements
  • 1.5 Compound Assignment Operators
  • 1.6 Casting and Ranges of Variables
  • 1.7 Java Development Environments (optional)
  • 1.8 Unit 1 Summary
  • 1.9 Unit 1 Mixed Up Code Practice
  • 1.10 Unit 1 Coding Practice
  • 1.11 Multiple Choice Exercises
  • 1.12 Lesson Workspace
  • 1.3. Variables and Data Types" data-toggle="tooltip">
  • 1.5. Compound Assignment Operators' data-toggle="tooltip" >

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1.4. Expressions and Assignment Statements ¶

In this lesson, you will learn about assignment statements and expressions that contain math operators and variables.

1.4.1. Assignment Statements ¶

Remember that a variable holds a value that can change or vary. Assignment statements initialize or change the value stored in a variable using the assignment operator = . An assignment statement always has a single variable on the left hand side of the = sign. The value of the expression on the right hand side of the = sign (which can contain math operators and other variables) is copied into the memory location of the variable on the left hand side.

Assignment statement

Figure 1: Assignment Statement (variable = expression) ¶

Instead of saying equals for the = operator in an assignment statement, say “gets” or “is assigned” to remember that the variable on the left hand side gets or is assigned the value on the right. In the figure above, score is assigned the value of 10 times points (which is another variable) plus 5.

The following video by Dr. Colleen Lewis shows how variables can change values in memory using assignment statements.

As we saw in the video, we can set one variable to a copy of the value of another variable like y = x;. This won’t change the value of the variable that you are copying from.

coding exercise

Click on the Show CodeLens button to step through the code and see how the values of the variables change.

The program is supposed to figure out the total money value given the number of dimes, quarters and nickels. There is an error in the calculation of the total. Fix the error to compute the correct amount.

Calculate and print the total pay given the weekly salary and the number of weeks worked. Use string concatenation with the totalPay variable to produce the output Total Pay = $3000 . Don’t hardcode the number 3000 in your print statement.

exercise

Assume you have a package with a given height 3 inches and width 5 inches. If the package is rotated 90 degrees, you should swap the values for the height and width. The code below makes an attempt to swap the values stored in two variables h and w, which represent height and width. Variable h should end up with w’s initial value of 5 and w should get h’s initial value of 3. Unfortunately this code has an error and does not work. Use the CodeLens to step through the code to understand why it fails to swap the values in h and w.

1-4-7: Explain in your own words why the ErrorSwap program code does not swap the values stored in h and w.

Swapping two variables requires a third variable. Before assigning h = w , you need to store the original value of h in the temporary variable. In the mixed up programs below, drag the blocks to the right to put them in the right order.

The following has the correct code that uses a third variable named “temp” to swap the values in h and w.

The code is mixed up and contains one extra block which is not needed in a correct solution. Drag the needed blocks from the left into the correct order on the right, then check your solution. You will be told if any of the blocks are in the wrong order or if you need to remove one or more blocks.

After three incorrect attempts you will be able to use the Help Me button to make the problem easier.

Fix the code below to perform a correct swap of h and w. You need to add a new variable named temp to use for the swap.

1.4.2. Incrementing the value of a variable ¶

If you use a variable to keep score you would probably increment it (add one to the current value) whenever score should go up. You can do this by setting the variable to the current value of the variable plus one (score = score + 1) as shown below. The formula looks a little crazy in math class, but it makes sense in coding because the variable on the left is set to the value of the arithmetic expression on the right. So, the score variable is set to the previous value of score + 1.

Click on the Show CodeLens button to step through the code and see how the score value changes.

1-4-11: What is the value of b after the following code executes?

  • It sets the value for the variable on the left to the value from evaluating the right side. What is 5 * 2?
  • Correct. 5 * 2 is 10.

1-4-12: What are the values of x, y, and z after the following code executes?

  • x = 0, y = 1, z = 2
  • These are the initial values in the variable, but the values are changed.
  • x = 1, y = 2, z = 3
  • x changes to y's initial value, y's value is doubled, and z is set to 3
  • x = 2, y = 2, z = 3
  • Remember that the equal sign doesn't mean that the two sides are equal. It sets the value for the variable on the left to the value from evaluating the right side.
  • x = 1, y = 0, z = 3

1.4.3. Operators ¶

Java uses the standard mathematical operators for addition ( + ), subtraction ( - ), multiplication ( * ), and division ( / ). Arithmetic expressions can be of type int or double. An arithmetic operation that uses two int values will evaluate to an int value. An arithmetic operation that uses at least one double value will evaluate to a double value. (You may have noticed that + was also used to put text together in the input program above – more on this when we talk about strings.)

Java uses the operator == to test if the value on the left is equal to the value on the right and != to test if two items are not equal. Don’t get one equal sign = confused with two equal signs == ! They mean different things in Java. One equal sign is used to assign a value to a variable. Two equal signs are used to test a variable to see if it is a certain value and that returns true or false as you’ll see below. Use == and != only with int values and not doubles because double values are an approximation and 3.3333 will not equal 3.3334 even though they are very close.

Run the code below to see all the operators in action. Do all of those operators do what you expected? What about 2 / 3 ? Isn’t surprising that it prints 0 ? See the note below.

When Java sees you doing integer division (or any operation with integers) it assumes you want an integer result so it throws away anything after the decimal point in the answer, essentially rounding down the answer to a whole number. If you need a double answer, you should make at least one of the values in the expression a double like 2.0.

With division, another thing to watch out for is dividing by 0. An attempt to divide an integer by zero will result in an ArithmeticException error message. Try it in one of the active code windows above.

Operators can be used to create compound expressions with more than one operator. You can either use a literal value which is a fixed value like 2, or variables in them. When compound expressions are evaluated, operator precedence rules are used, so that *, /, and % are done before + and -. However, anything in parentheses is done first. It doesn’t hurt to put in extra parentheses if you are unsure as to what will be done first.

In the example below, try to guess what it will print out and then run it to see if you are right. Remember to consider operator precedence .

1-4-15: Consider the following code segment. Be careful about integer division.

What is printed when the code segment is executed?

  • 0.666666666666667
  • Don't forget that division and multiplication will be done first due to operator precedence.
  • Yes, this is equivalent to (5 + ((a/b)*c) - 1).
  • Don't forget that division and multiplication will be done first due to operator precedence, and that an int/int gives an int result where it is rounded down to the nearest int.

1-4-16: Consider the following code segment.

What is the value of the expression?

  • Dividing an integer by an integer results in an integer
  • Correct. Dividing an integer by an integer results in an integer
  • The value 5.5 will be rounded down to 5

1-4-17: Consider the following code segment.

  • Correct. Dividing a double by an integer results in a double
  • Dividing a double by an integer results in a double

1-4-18: Consider the following code segment.

  • Correct. Dividing an integer by an double results in a double
  • Dividing an integer by an double results in a double

1.4.4. The Modulo Operator ¶

The percent sign operator ( % ) is the mod (modulo) or remainder operator. The mod operator ( x % y ) returns the remainder after you divide x (first number) by y (second number) so 5 % 2 will return 1 since 2 goes into 5 two times with a remainder of 1. Remember long division when you had to specify how many times one number went into another evenly and the remainder? That remainder is what is returned by the modulo operator.

../_images/mod-py.png

Figure 2: Long division showing the whole number result and the remainder ¶

In the example below, try to guess what it will print out and then run it to see if you are right.

The result of x % y when x is smaller than y is always x . The value y can’t go into x at all (goes in 0 times), since x is smaller than y , so the result is just x . So if you see 2 % 3 the result is 2 .

1-4-21: What is the result of 158 % 10?

  • This would be the result of 158 divided by 10. modulo gives you the remainder.
  • modulo gives you the remainder after the division.
  • When you divide 158 by 10 you get a remainder of 8.

1-4-22: What is the result of 3 % 8?

  • 8 goes into 3 no times so the remainder is 3. The remainder of a smaller number divided by a larger number is always the smaller number!
  • This would be the remainder if the question was 8 % 3 but here we are asking for the reminder after we divide 3 by 8.
  • What is the remainder after you divide 3 by 8?

1.4.5. FlowCharting ¶

Assume you have 16 pieces of pizza and 5 people. If everyone gets the same number of slices, how many slices does each person get? Are there any leftover pieces?

In industry, a flowchart is used to describe a process through symbols and text. A flowchart usually does not show variable declarations, but it can show assignment statements (drawn as rectangle) and output statements (drawn as rhomboid).

The flowchart in figure 3 shows a process to compute the fair distribution of pizza slices among a number of people. The process relies on integer division to determine slices per person, and the mod operator to determine remaining slices.

Flow Chart

Figure 3: Example Flow Chart ¶

A flowchart shows pseudo-code, which is like Java but not exactly the same. Syntactic details like semi-colons are omitted, and input and output is described in abstract terms.

Complete the program based on the process shown in the Figure 3 flowchart. Note the first line of code declares all 4 variables as type int. Add assignment statements and print statements to compute and print the slices per person and leftover slices. Use System.out.println for output.

1.4.6. Storing User Input in Variables ¶

Variables are a powerful abstraction in programming because the same algorithm can be used with different input values saved in variables.

Program input and output

Figure 4: Program input and output ¶

A Java program can ask the user to type in one or more values. The Java class Scanner is used to read from the keyboard input stream, which is referenced by System.in . Normally the keyboard input is typed into a console window, but since this is running in a browser you will type in a small textbox window displayed below the code. The code below shows an example of prompting the user to enter a name and then printing a greeting. The code String name = scan.nextLine() gets the string value you enter as program input and then stores the value in a variable.

Run the program a few times, typing in a different name. The code works for any name: behold, the power of variables!

Run this program to read in a name from the input stream. You can type a different name in the input window shown below the code.

Try stepping through the code with the CodeLens tool to see how the name variable is assigned to the value read by the scanner. You will have to click “Hide CodeLens” and then “Show in CodeLens” to enter a different name for input.

The Scanner class has several useful methods for reading user input. A token is a sequence of characters separated by white space.

Run this program to read in an integer from the input stream. You can type a different integer value in the input window shown below the code.

A rhomboid (slanted rectangle) is used in a flowchart to depict data flowing into and out of a program. The previous flowchart in Figure 3 used a rhomboid to indicate program output. A rhomboid is also used to denote reading a value from the input stream.

Flow Chart

Figure 5: Flow Chart Reading User Input ¶

Figure 5 contains an updated version of the pizza calculator process. The first two steps have been altered to initialize the pizzaSlices and numPeople variables by reading two values from the input stream. In Java this will be done using a Scanner object and reading from System.in.

Complete the program based on the process shown in the Figure 5 flowchart. The program should scan two integer values to initialize pizzaSlices and numPeople. Run the program a few times to experiment with different values for input. What happens if you enter 0 for the number of people? The program will bomb due to division by zero! We will see how to prevent this in a later lesson.

The program below reads two integer values from the input stream and attempts to print the sum. Unfortunately there is a problem with the last line of code that prints the sum.

Run the program and look at the result. When the input is 5 and 7 , the output is Sum is 57 . Both of the + operators in the print statement are performing string concatenation. While the first + operator should perform string concatenation, the second + operator should perform addition. You can force the second + operator to perform addition by putting the arithmetic expression in parentheses ( num1 + num2 ) .

More information on using the Scanner class can be found here https://www.w3schools.com/java/java_user_input.asp

1.4.7. Programming Challenge : Dog Years ¶

In this programming challenge, you will calculate your age, and your pet’s age from your birthdates, and your pet’s age in dog years. In the code below, type in the current year, the year you were born, the year your dog or cat was born (if you don’t have one, make one up!) in the variables below. Then write formulas in assignment statements to calculate how old you are, how old your dog or cat is, and how old they are in dog years which is 7 times a human year. Finally, print it all out.

Calculate your age and your pet’s age from the birthdates, and then your pet’s age in dog years. If you want an extra challenge, try reading the values using a Scanner.

1.4.8. Summary ¶

Arithmetic expressions include expressions of type int and double.

The arithmetic operators consist of +, -, * , /, and % (modulo for the remainder in division).

An arithmetic operation that uses two int values will evaluate to an int value. With integer division, any decimal part in the result will be thrown away, essentially rounding down the answer to a whole number.

An arithmetic operation that uses at least one double value will evaluate to a double value.

Operators can be used to construct compound expressions.

During evaluation, operands are associated with operators according to operator precedence to determine how they are grouped. (*, /, % have precedence over + and -, unless parentheses are used to group those.)

An attempt to divide an integer by zero will result in an ArithmeticException to occur.

The assignment operator (=) allows a program to initialize or change the value stored in a variable. The value of the expression on the right is stored in the variable on the left.

During execution, expressions are evaluated to produce a single value.

The value of an expression has a type based on the evaluation of the expression.

assignment statement flowchart

Flowchart Symbols and Notation

What do you want to do with flowcharts.

Don’t be intimidated by the wide array of flowchart shapes. Each symbol has a specific meaning and context where its use is appropriate. If you get confused while drawing your flow chart, remember that most charts can be drawn with just a few common symbols, which are listed below.

4 minute read

Want to create a flowchart of your own? Try Lucidchart. It's fast, easy, and totally free.

Common flowchart symbols

These flowchart shapes and symbols are some of the most common types you'll find in most flowchart diagrams.

Additional flowchart symbols

Many of these additional flowchart symbols are best utilized when mapping out a process flow diagram for apps, user flow, data processing, etc.

Standard vs. non-standard flowchart symbols

Additional resources.

  • How to Make a Flowchart in Excel
  • What is a flowchart and how to create one
  • How to Make a Flowchart
  • How to Make a Flowchart in PowerPoint
  • How to Make a Flowchart in Word
  • What is a Flowchart

If we don’t have the shape you’re looking for, Lucidchart allows you to also upload any and all shapes you want to use in addition to our own extensive shape library. Try mapping out your process flow with Lucidchart today!

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Flowchart Tutorial (with Symbols, Guide and Examples)

A flowchart is simply a graphical representation of steps. It shows steps in sequential order and is widely used in presenting the flow of algorithms, workflow or processes. Typically, a flowchart shows the steps as boxes of various kinds, and their order by connecting them with arrows.

Flowchart example

What is a Flowchart?

A flowchart is a graphical representations of steps. It was originated from computer science as a tool for representing algorithms and programming logic but had extended to use in all other kinds of processes. Nowadays, flowcharts play an extremely important role in displaying information and assisting reasoning. They help us visualize complex processes, or make explicit the structure of problems and tasks. A flowchart can also be used to define a process or project to be implemented.

Flowchart Symbols

Different flowchart shapes have different conventional meanings. The meanings of some of the more common shapes are as follows:

The terminator symbol represents the starting or ending point of the system.

Flowchart symbol: Terminator

A box indicates some particular operation.

Flowchart symbol: Process

This represents a printout, such as a document or a report.

Flowchart symbol: Document

A diamond represents a decision or branching point. Lines coming out from the diamond indicates different possible situations, leading to different sub-processes.

Flowchart symbol: Decision

It represents information entering or leaving the system. An input might be an order from a customer. Output can be a product to be delivered.

Flowchart symbol: Data

On-Page Reference

This symbol would contain a letter inside. It indicates that the flow continues on a matching symbol containing the same letter somewhere else on the same page.

Flowchart symbol: On page reference

Off-Page Reference

This symbol would contain a letter inside. It indicates that the flow continues on a matching symbol containing the same letter somewhere else on a different page.

Flowchart symbol: Off page reference

Delay or Bottleneck

Identifies a delay or a bottleneck.

Flowchart symbol: Delay

Lines represent the flow of the sequence and direction of a process.

Flowchart symbol: Flow

When to Draw Flowchart?

Using a flowchart has a variety of benefits:

  • It helps to clarify complex processes.
  • It identifies steps that do not add value to the internal or external customer, including delays; needless storage and transportation; unnecessary work, duplication, and added expense; breakdowns in communication.
  • It helps team members gain a shared understanding of the process and use this knowledge to collect data, identify problems, focus discussions, and identify resources.
  • It serves as a basis for designing new processes.

Flowchart examples

Here are several flowchart examples. See how you can apply a flowchart practically.

Flowchart Example – Medical Service

This is a hospital flowchart example that shows how clinical cases shall be processed. This flowchart uses decision shapes intensively in representing alternative flows.

Flowchart example: Medical services

Flowchart Example – Simple Algorithms

A flowchart can also be used in visualizing algorithms, regardless of its complexity. Here is an example that shows how flowchart can be used in showing a simple summation process.

Flowchart example: Simple algorithms

Flowchart Example – Calculate Profit and Loss

The flowchart example below shows how profit and loss can be calculated.

Flowchart example: Calculate profit and loss

Creating a Flowchart in Visual Paradigm

Let’s see how to draw a flowchart in Visual Paradigm. We will use a very simple flowchart example here. You may expand the example when finished this tutorial.

  • Select Diagram > New from the main menu.

Create flowchart

  • Enter the name of the flowchart and click OK .

Create flowchart start symbol

  • Enter Add items to Cart as the name of the process.

Create other flowchart processes

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Flowchart In Programming

A flowchart is a diagrammatic representation of an algorithm. A flowchart can be helpful for both writing programs and explaining the program to others.

Symbols Used In Flowchart

Examples of flowcharts in programming.

1. Add two numbers entered by the user.

Flowchart to add two numbers in programming

2. Find the largest among three different numbers entered by the user.

Flowchart to find largest among three numbers

3. Find all the roots of a quadratic equation ax 2 +bx+c=0

Flowchart of the roots of a quadratic equation

4. Find the Fibonacci series till term≤1000.

Flowchart of Fibonacci sequence in programming

Note: Though flowcharts can be useful for writing and analyzing a program, drawing a flowchart for complex programs can be more complicated than writing the program itself. Hence, creating flowcharts for complex programs is often ignored.

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2.3: Arithmetic Operations and Assignment Statements

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  • Page ID 206261

  • Robert Belford
  • University of Arkansas at Little Rock

hypothes.is tag:  s20iostpy03ualr Download Assignment:  S2020py03

Learning Objectives

Students will be able to:

  • Explain each Python arithmetic operator
  • Explain the meaning and use of an  assignment statement
  • Explain the use of "+"  and "*" with strings and numbers
  • Use the  int()   and  float()  functions to convert string input to numbers for computation
  • Incorporate numeric formatting into print statements
  • Recognize the four main operations of a computer within a simple Python program
  • Create  input  statements in Python
  • Create  Python  code that performs mathematical and string operations
  • Create  Python  code that uses assignment statements
  • Create  Python   code that formats numeric output

Prior Knowledge

  • Understanding of Python print and input statements
  • Understanding of mathematical operations
  • Understanding of flowchart input symbols

Further Reading

  • https://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_3/Hello,_World
  • https://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_3/Who_Goes_There%3F

Model 1: Arithmetic Operators in  Python

Python includes several arithmetic operators: addition, subtraction, multiplication, two types of division, exponentiation and  mod .

Critical Thinking Questions:

1.  Draw a line between each flowchart symbol and its corresponding line of Python code. Make note of any problems.

2. Execute the print statements in the previous Python program

    a.  Next to each print statement above, write the output.     b.  What is the value of the following line of code?

    c.  Predict the values of 17%3 and 18%3 without using your computer.

3.  Explain the purpose of each arithmetic operation:

a.               +          ____________________________

b.               -           ____________________________

c.               *          ____________________________

d.               **        ____________________________

e.               /           ____________________________

f.                //          ____________________________

g.                %         ____________________________

An  assignment statement  is a line of code that uses a "=" sign. The statement stores the result of an operation performed on the right-hand side of the sign into the variable memory location on the left-hand side.

4.         Enter and execute the following lines of Python code in the editor window of your IDE (e.g. Thonny):

 a.  What are the variables in the above python program?    b.  What does the  assignment statement :  MethaneMolMs = 16  do?    c.  What happens if you replace the comma (,) in the print statements with a plus sign (+) and execute the code again?  Why does this happen?

5.    What is stored in memory after each assignment statement is executed?

variable assignments

Note: Concatenating Strings in python

The "+"  concatenates  the two strings stored in the variables into one string.    "+" can only be used when both operators are strings.

6.         Run the following program in the editor window of your IDE (e.g. Thonny) to see what happens if you try to use the "+" with strings instead of numbers?

   a.  The third line of code contains an assignment statement. What is stored in  fullName   when the line is executed?    b.  What is the difference between the two output lines?    c.  How could you alter your assignment statements so that  print(fullName)  gives the same output as  print(firstName,lastName)    d. Only one of the following programs will work. Which one will work, and why doesn’t the other work? Try doing this without running the programs!

   e.  Run the programs above and see if you were correct.    f.  The program that worked above results in no space between the number and the street name. How can you alter the code so that it prints properly while using a concatenation operator?

7.  Before entering the following code into the Python interpreter (Thonny IDE editor window), predict the output of this program.

Now execute it.  What is the actual output?  Is this what you thought it would do?  Explain.

8.   Let’s take a look at a python program that prompts the user for two numbers and subtracts them. 

            Execute the following code by entering it in the editor window of Thonny.

      a.   What output do you expect?       b.   What is the actual output       c.   Revise the program in the following manner:

  • Between lines two and three add the following lines of code:       num1 = int(firstNumber)      num2 = int(secondNumber)
  • Next, replace the statement:     difference = firstNumber – secondNumber with the statement:     difference = num1 – num2
  • Execute the program again. What output did you get?

     d.  Explain the purpose of the function  int().      e.  Explain how the changes in the program produced the desired output.

Model 3: Formatting Output in  Python

There are multiple ways to format output in python. The old way is to use the string modulo %, and the new way is with a format method function.

9.  Look closely at the output for python program 7.

    a. How do you indicate the number of decimals to display using

the string modulo (%) ______________________________________________________

the format function ________________________________________________________

     b. What happens to the number if you tell it to display less decimals than are in the number, regardless of formatting method used?

     c. What type of code allows you to right justify your numbers?

10.       Execute the following code by entering it in the editor window of Thonny.

a.  Does the output look like standard output for something that has dollars and cents associated with it?

b.  Replace the last line of code with the following:

print("Total cost of laptops: $%.2f" % price)   

print("Total cost of laptops:" ,format(price, '.2f.))

                Discuss the change in the output.

      

c.  Replace the last line of code with the following:

print("Total cost of laptops: $",   format(price,'.2f') print("Total cost of laptops: $" ,format(price, '.2f.))

              Discuss the change in the output.

d.  Experiment with the number ".2" in the ‘0.2f’ of the print above statement by substituting the following numbers and explain the results.

                     .4         ___________________________________________________

                     .0         ___________________________________________________

                     .1         ___________________________________________________

                     .8         ___________________________________________________

e.  Now try the following numbers in the same print statement. These numbers contain a whole number and a decimal. Explain the output for each number.

                     02.5     ___________________________________________________

                     08.2     ___________________________________________________

                     03.1     ___________________________________________________

f.  Explain what each part of the format function:  format(variable,  "%n.nf")  does in a print statement where n.n represents a number.

variable ____________________________           First n _________________________

Second n_______________________                      f    _________________________

g.          Revise the print statement by changing the "f" to "d" and  laptopCost = 600 . Execute the statements and explain the output format.

            print("Total cost of laptops: %2d" % price)             print("Total cost of laptops: %10d" % price)

h.         Explain how the function  format(var,'10d')  formats numeric data.  var  represents a whole number.

11.    Use the following program and output to answer the questions below.

a.   From the code and comments in the previous program, explain how the four main operations are implemented in this program. b.  There is one new function in this sample program.  What is it? From the corresponding output, determine what it does.

Application Questions: Use the Python Interpreter to check your work

  • 8 to the 4 th  power
  • The sum of 5 and 6 multiplied by the quotient of 34 and 7 using floating point arithmetic  
  • Write an assignment statement that stores the remainder obtained from dividing 87 and 8 in the variable  leftover  
  • Assume:  

courseLabel = "CHEM" courseNumber = "3350"

Write a line of Python code that concatenates the label with the number and stores the result in the variable  courseName . Be sure that there is a space between the course label and the course number when they are concatenated.

  • Write one line of Python code that will print the word "Happy!" one hundred times.  
  • Write one line of code that calculates the cost of 15 items and stores the result in the variable  totalCost
  • Write one line of code that prints the total cost with a label, a dollar sign, and exactly two decimal places.  Sample output:  Total cost: $22.5  
  • Assume: 

height1 = 67850 height2 = 456

Use Python formatting to write two print statements that will produce the following output exactly at it appears below:

output

Homework Assignment: s2020py03

Download the assignment from the website, fill out the word document, and upload to your Google Drive folder the completed assignment along with the two python files.

1. (5 pts)  Write a Python program that prompts the user for two numbers, and then gives the sum and product of those two numbers. Your sample output should look like this:

Enter your first number:10 Enter your second number:2 The sum of these numbers is: 12 The product of these two numbers is: 20

  • Your program must contain documentation lines that include your name, the date, a line that states "Py03 Homework question 1" and a description line that indicates what the program is supposed to do. 
  • Paste the code this word document and upload to your Google drive when the assignment is completed, with file name [your last name]_py03_HWQ1
  • Save the program as a python file (ends with .py), with file name [your last name]_py03Q1_program and upload that to the Google Drive.

2. (10 pts) Write a program that calculates the molarity of a solution. Molarity is defined as numbers of moles per liter solvent. Your program will calculate molarity and must ask for the substance name, its molecular weight, how many grams of substance you are putting in solution, and the total volume of the solution. Report your calculated value of molarity to 3 decimal places. Your output should also be separated from the input with a line containing 80 asterixis.

Assuming you are using sodium chloride, your input and output should look like:

clipboard_edfaec3a5372d389c1f48c61ebe904909.png

  • Your program must contain documentation lines that include your name, the date, a line that states "Py03 Homework question 2" and a description line that indicates what the program is supposed to do. 
  • Paste the code to question two below
  • Save the program as a python file (ends with .py), with file name [your last name]_py03Q2_program and upload that to the Google Drive.

3. (4 pts) Make two hypothes.is annotations dealing with external open access resources on formatting with the format function method of formatting.  These need the tag of s20iostpy03ualr .

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An introduction to Flowcharts

What is a Flowchart?   Flowchart is a graphical representation of an algorithm. Programmers often use it as a program-planning tool to solve a problem. It makes use of symbols which are connected among them to indicate the flow of information and processing.  The process of drawing a flowchart for an algorithm is known as “flowcharting”. 

Basic Symbols used in Flowchart Designs

  • Terminal: The oval symbol indicates Start, Stop and Halt in a program’s logic flow. A pause/halt is generally used in a program logic under some error conditions. Terminal is the first and last symbols in the flowchart.   

assignment statement flowchart

  • Input/Output: A parallelogram denotes any function of input/output type. Program instructions that take input from input devices and display output on output devices are indicated with parallelogram in a flowchart.   

assignment statement flowchart

  • Processing: A box represents arithmetic instructions. All arithmetic processes such as adding, subtracting, multiplication and division are indicated by action or process symbol.   

assignment statement flowchart

  • Decision Diamond symbol represents a decision point. Decision based operations such as yes/no question or true/false are indicated by diamond in flowchart.   

assignment statement flowchart

  • Connectors: Whenever flowchart becomes complex or it spreads over more than one page, it is useful to use connectors to avoid any confusions. It is represented by a circle.   

assignment statement flowchart

  • Flow lines: Flow lines indicate the exact sequence in which instructions are executed. Arrows represent the direction of flow of control and relationship among different symbols of flowchart. 

Rules For Creating Flowchart :

A flowchart is a graphical representation of an algorithm.it should follow some rules while creating a flowchart Rule 1: Flowchart opening statement must be ‘start’ keyword. Rule 2:  Flowchart ending statement must be ‘end’ keyword. Rule 3: All symbols in the flowchart must be connected with an arrow line. Rule 4: The decision symbol in the flowchart is associated with the arrow line.  

Advantages of Flowchart:

  • Flowcharts are a better way of communicating the logic of the system.
  • Flowcharts act as a guide for blueprint during program designed.
  • Flowcharts help in debugging process.
  • With the help of flowcharts programs can be easily analyzed.
  • It provides better documentation.
  • Flowcharts serve as a good proper documentation.
  • Easy to trace errors in the software.
  • Easy to understand.
  • The flowchart can be reused for inconvenience in the future.
  • It helps to provide correct logic.  

Disadvantages of Flowchart:

  • It is difficult to draw flowcharts for large and complex programs.
  • There is no standard to determine the amount of detail.
  • Difficult to reproduce the flowcharts.
  • It is very difficult to modify the Flowchart.
  • Making a flowchart is costly.
  • Some developer thinks that it is waste of time.
  • It makes software processes low.
  • If changes are done in software, then the flowchart must be redrawn  

Example : Draw a flowchart to input two numbers from the user and display the largest of two numbers    

assignment statement flowchart

References:   Computer Fundamentals by Pradeep K. Sinha and Priti Sinha  

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  • Flowchart symbols

Flow Chart Symbols

It is time to look at the different flow chart symbols. These are the symbols that we, as programmers will use. Other engineering plans could use additional symbols (like delays, synchronization and others), but we will stick to the programming part.

Oval - Begin/End

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Flow chart symbols - oval

The first figure is oval. Also could be met as an “ellipse”, ”circle”, but it has the same meaning. This is the first and the last symbol in every flow chart. I like to use ellipse for “begin” and “end”. When I divide an algorithm in several parts I use small circles for the start/end of each part.

We insert text inside the symbols to clarify its meaning. So…

Flow chart symbols - Begin

This means “start” or said as a programmer – “An entry point for the algorithm”. “Begin” element is always the first element of a flow chart. This is where our algorithm starts. “Begin” has no input arrows and has exactly one output.

Flow chart symbols - End

Flow chart symbol "end". Algorithm completed. It could have several inputs and no output. Every scheme must have a begin and an end symbol.

Flow chart symbols - numbered circle

This is what we will be using to separate big charts in smaller fragments. Inbound arrow in the circle means that this part of the algorithm is completed and the algorithm continues with its next part. Of course the next fragment begins with a numbered circle with the same number and an outgoing arrow.

Rectangle - Assignment statements

Parallelogram - input / output.

Parallelogram - Input / Output

The parallelogram flow chart symbol serves for input/output(I/O) to/from the program. One note: output means that the program gives an output, for example – display a message on the screen. Input is an input to the program. It could be when the user enters a value for a variable. I/O block may have one or several input arrows and exactly one output.

Rhombus - making a decision

Flow chart symbols - Rhombus

Rhombus : This is what we use when our program has to make a decision. This is the only block that has more than one exit arrow. The rhombus symbol has one(or several) entrance point and exactly two outputs.

It contains a valid conditional expression. The expression could be evaluated as “true” or “false”. If the result is true, the next step of the algorithm is the element, pointed by the “True” (Yes) arrow. If the condition is false we continue with the “false”(No) arrow. Note that both cases must be handled – you can’t leave one of them hanging.

Arrows and junctions

Arrows show the order of the blocks in the chart flow. There is no convention for the direction of the arrows. We choose which direction is better for our graphics.

Using flow chart symbols

Here is an example of a short algorithm, using each flow chart symbol. 

Demonstrating how the different blocks work

Tutorial Contents :

1)Learn Computer Programming 2)Software D evelopment Process 3)Flow Chart 4)Flow Chart Symbols 5)Data Type 6)What is a variable 7)Math Operators 8)Logical Operators 9)Loops 10)Nested Loops 11)Arrays 12)Multidimensional arrays 13)Programming Questions

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  • Assignment Statement

An Assignment statement is a statement that is used to set a value to the variable name in a program .

Assignment statement allows a variable to hold different types of values during its program lifespan. Another way of understanding an assignment statement is, it stores a value in the memory location which is denoted by a variable name.

Assignment Statement Method

The symbol used in an assignment statement is called as an operator . The symbol is ‘=’ .

Note: The Assignment Operator should never be used for Equality purpose which is double equal sign ‘==’.

The Basic Syntax of Assignment Statement in a programming language is :

variable = expression ;

variable = variable name

expression = it could be either a direct value or a math expression/formula or a function call

Few programming languages such as Java, C, C++ require data type to be specified for the variable, so that it is easy to allocate memory space and store those values during program execution.

data_type variable_name = value ;

In the above-given examples, Variable ‘a’ is assigned a value in the same statement as per its defined data type. A data type is only declared for Variable ‘b’. In the 3 rd line of code, Variable ‘a’ is reassigned the value 25. The 4 th line of code assigns the value for Variable ‘b’.

Assignment Statement Forms

This is one of the most common forms of Assignment Statements. Here the Variable name is defined, initialized, and assigned a value in the same statement. This form is generally used when we want to use the Variable quite a few times and we do not want to change its value very frequently.

Tuple Assignment

Generally, we use this form when we want to define and assign values for more than 1 variable at the same time. This saves time and is an easy method. Note that here every individual variable has a different value assigned to it.

(Code In Python)

Sequence Assignment

(Code in Python)

Multiple-target Assignment or Chain Assignment

In this format, a single value is assigned to two or more variables.

Augmented Assignment

In this format, we use the combination of mathematical expressions and values for the Variable. Other augmented Assignment forms are: &=, -=, **=, etc.

Browse more Topics Under Data Types, Variables and Constants

  • Concept of Data types
  • Built-in Data Types
  • Constants in Programing Language 
  • Access Modifier
  • Variables of Built-in-Datatypes
  • Declaration/Initialization of Variables
  • Type Modifier

Few Rules for Assignment Statement

Few Rules to be followed while writing the Assignment Statements are:

  • Variable names must begin with a letter, underscore, non-number character. Each language has its own conventions.
  • The Data type defined and the variable value must match.
  • A variable name once defined can only be used once in the program. You cannot define it again to store other types of value.
  • If you assign a new value to an existing variable, it will overwrite the previous value and assign the new value.

FAQs on Assignment Statement

Q1. Which of the following shows the syntax of an  assignment statement ?

  • variablename = expression ;
  • expression = variable ;
  • datatype = variablename ;
  • expression = datatype variable ;

Answer – Option A.

Q2. What is an expression ?

  • Same as statement
  • List of statements that make up a program
  • Combination of literals, operators, variables, math formulas used to calculate a value
  • Numbers expressed in digits

Answer – Option C.

Q3. What are the two steps that take place when an  assignment statement  is executed?

  • Evaluate the expression, store the value in the variable
  • Reserve memory, fill it with value
  • Evaluate variable, store the result
  • Store the value in the variable, evaluate the expression.

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Solved assignment problems – algorithms and flowcharts.

An algorithm is defined as sequence of steps to solve a problem (task) . The steps must be finite, well defined and unambiguous. Writing algorithm requires some thinking. Algorithm can also be defined as a plan to solve a problem and represents its logic. Note that an algorithm is of no use if it does not help us arrive at the desired solution

Algorithm characteristics

  • It should have finite number of steps . No one can be expected to execute infinite number of steps.
  • The steps must be in order and simple
  • Each step should be defined clearly i.e. without un-ambiguity (without doubtfulness)
  • Must include all required information
  • Should exhibit at least one output

A flowchart is a pictorial (graphical) representation of an algorithm . A flowchart is drawn using different kinds of symbols. A symbol is used for a specific purpose. Each symbol has name.

Different algorithms have different performance characteristics to solve the same problem. some algorithms are fast. some are slow. some occupy more memory space. some occupy less memory space. some are complex and some algorithms are simple..

Logically algorithm, flowchart and program are the same.

Q1 . Create a program to compute the volume of a sphere. Use the formula: V = (4/3) *pi*r 3 where pi is equal to 3.1416 approximately. The r is the radius of sphere.  Display the result.

assignment statement flowchart

Q2 . Write a program the converts the input Celsius degree into its equivalent Fahrenheit degree. Use the formula: F = (9/5) *C+32.

assignment statement flowchart

Q3 . Write a program that converts the input dollar to its peso exchange rate equivalent.  Assume that the present exchange rate is 51.50 pesos against the dollar. Then display the peso equivalent exchange rate.

assignment statement flowchart

Q4 . Write a program that converts an input inch(es) into its equivalent centimeters. Take note that one inch is equivalent to 2.54cms.

assignment statement flowchart

Q5 . Write a program that exchanges the value of two variables: x and y.  The output must be: the value of variable y will become the value of variable x, and vice versa.

assignment statement flowchart

Q6 . Design a program to find the circumference of a circle. Use the formula: C=2πr, where π is approximately equivalent 3.1416.

assignment statement flowchart

Q7 . Write a program that takes as input the purchase price of an item (P), its expected number of years of service (Y) and its expected salvage value (S). Then outputs the yearly depreciation for the item (D). Use the formula: D = (P – S) Y.

assignment statement flowchart

Q8 . Swapping of 2 variables without using temporary (or 3 rd variable).

assignment statement flowchart

Q9 . Determine the most economical quantity to be stocked for each product that a manufacturing company has in its inventory: This quantity, called economic order quantity (EOQ) is calculated as follows: EOQ=2rs/1 where: R= total yearly production requirement S=set up cost per order I=inventory carrying cost per unit.

assignment statement flowchart

Q10 . Write a program to compute the radius of a circle. Derive your formula from the given equation: A=πr², then display the output.

assignment statement flowchart

  • ← Solved Assignment Problems in Java (with Algorithm and Flowchart)
  • Simple if statement in C →

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Flowchart Symbols

Get easy-to-use flowchart symbols for flowchart diagrams.

Basic flowchart symbols

Common Flowchart Symbols

Flowcharts use special shapes to represent different types of actions or steps in a process. Lines and arrows show the sequence of the steps, and the relationships among them. These are known as flowchart symbols.

What Shapes Are Used in Flowcharts

Flowcharts consist of a few common geometric shapes representing steps. The most common shape is a rectangle used to show a single action or operation.

Watch this quick video to learn more about flowchart symbols.

What are the Basic Symbols of a Flowchart?

Let's go over each flowchart symbol individually.

Start and End Symbol

Start/End Symbol

The terminator symbol marks the starting or ending point of the system. It usually contains the word "Start" or "End."

Action or Process Symbol

Action or Process Symbol

A box can represent a single step ("add two cups of flour"), or an entire sub-process ("make bread") within a larger process.

Document Symbol

Document Symbol

A printed document or report.

Multipe Documents Symbol

Multiple Documents Symbol

Represents multiple documents in the process

Decision Symbol

Decision Symbol

A decision or branching point. Lines representing different decisions emerge from different points of the diamond.

Input/Output Symbol

Input/Output Symbol

Represents material or information entering or leaving the system, such as customer order (input) or a product (output).

Manual Input Symbol

Manual Input Symbol

Represents a step where a user is prompted to enter information manually.

Preparation Symbol

Preparation Symbol

Represents a set-up to another step in the process.

Connector Symbol

Connector Symbol

Indicates that the flow continues where a matching symbol (containing the same letter) has been placed.

Or Symbol

Indicates that the process flow continues in more than two branches.

Summoning Junction Symbol

Summoning Junction Symbol

Indicates a point in the flowchart where multiple branches converge back into a single process.

Merge Symbol

Merge Symbol

Indicates a step where two or more sub-lists or sub-processes become one.

Collate Symbol

Collate Symbol

Indicates a step that orders information into a standard format.

Sort Symbol

Sort Symbol

Indicates a step that organizes a list of items into a sequence or sets based on some pre-determined criteria.

Subroutine Symbol

Subroutine Symbol

Indicates a sequence of actions that perform a specific task embedded within a larger process. This sequence of actions could be described in more detail on a separate flowchart.

Manual Loop Symbol

Manual Loop Symbol

Indicates a sequence of commands that will continue to repeat until stopped manually.

Loop Limit Symbol

Loop Limit Symbol

Indicates the point at which a loop should stop.

Delay Symbol

Delay Symbol

Indicates a delay in the process.

Data Storage or Stored Data Symbol

Data Storage or Stored Data Symbol

Indicates a step where data gets stored.

Database Symbol

Database Symbol

Indicates a list of information with a standard structure that allows for searching and sorting.

Internal Storage Symbol

Internal Storage Symbol

Indicates that information was stored in memory during a program, used in software design flowcharts.

Display Symbol

Display Symbol

Indicates a step that displays information.

Off Page

Indicates that the process continues off page.

Frequently Asked Questions (FAQ) About Flowchart Symbols

A parallelogram represents data in a flowchart. Data is either input a process requires or an output that the proces hands off to the next step.

Parallelogram Symbol

The most common flowchart types are:

  • Process flowchart
  • Swimlane Flowchart
  • Workflow Diagram
  • Data Flow Diagram
  • EPC Diagram
  • SDL Diagram
  • Process Map
  • Process Flow Diagram

Read about the types of flowcharts in detail here.

Type of Flowchart

Input and output are the fundamental building blocks of a process used to describe a software program. For example, the input could be provided by a user like at an ATM machine or in a form online or it could data provided by an instrument like a temperature read. The program will have code to interpret the input and generate an output. The output could be a series of things: a message printed on a the user interface or data handed off to another process.

Input/Output Flow

There are two different types of approaches to symbols in data flow diagrams: Yourdon and Coad and Gane and Sarson .

In the Yourdon and Coad way, processes are depicted as circles, while in the Gane and Sarson diagram the processes are squares with rounded corners.

Learn more about data flow diagrams.

Data Flow Diagram

Quick Tips for Using Flowchart Symbols

Most of the flowchart symbols shown here are for use in very specific applications, such as a data flow diagram used for computer programming. Unless you have specialized knowledge and your diagram is being developed for a peer group with similar knowledge, it's best to stick to basic flowchart symbols. If more than the most basic flowchart symbols appear in your diagram, it is good practice to include a legend or symbol key.

Most flowcharts should be built using only the Start/End and Action or Process symbols and should follow a very basic set of best practices . Sticking with these two primary flowchart symbols is the best way to ensure that your diagram will be easy to understand.

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For Loop Flowchart - A Visual Guide

The for loop is a control flow statement that's used to iterate through a sequence of values. The while loop is a control flow statement that allows you to continuously execute commands as long as a condition evaluates to true. In this article, we'll discuss what they are and how they work.

for loop flowchart

What is a While Loop

A while loop will execute some code as long as a certain condition is true. The code will keep executing as long as the condition does not evaluate to false. The first time the condition evaluates to true, it will execute and each time after that, it will only execute if the condition evaluates to true after running all of the code in the loop. While loop can be presented with flowchart maker like Zen Flowchart or other diagram software .

What is a For Loop

A for loop is similar to a while loop because it has the same three parts. The first part is initialization, which is executed once at the beginning of the loop. The second part is condition, which tells if the loop should continue to execute. The third part is incrementing, which happens right before each execution of the body of the for loop. Above is an example of a for-loop flowchart.

If else Flowchart

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What symbol is used for an assignment statement in a flowchart?

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Assignment is usually indicated using Pascal assignment notation (:=). E.g., x := x + 1. This avoids any confusion with the equality operator (=).

processing or rectangular

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Which flowcharts symbol is used for opening and closing files?

rectangle Flowchart represent the algorithm or process of data, using chart or sysmbols. There are different Flowchart symbols. the ff. are: 1. Terminal sysmbol - (oval) this symbol represent the start and end of the flowchart. 2. Initialization Symbol - (hexagon) this symbol is used in declaring or initializing variable used in the program. 3. Process Symbol (Rectangle) this symbol used in calculation, opening and closing file paths. 4. Condition Symbol (Diamond) this symbol used in condition of value in programming. this condition have a one entrance two exit which is the first exit is the "TRUE STATEMENT" and other exit is the "FALSE STATENENT". 5. Input and Output Symbol (parallelogram) this symbol used in input and output of the program. there is one entrance and one exit. 6. Connector (small Circle) it is used in connection flowchart that does not adjacent of not the same patcular area. 7. Arrow Lines (arrow) this is used to connect or the direction or flow of data. source: http://jaypeeworldprogrammer.blogspot.com/2010/06/flowchart.html

Complex assignment in java?

An Assignment operator in Java is the operator that is used to assign a variable a value. if you declare int x = 10; then the value 10 is assigned to the variable x. here the "=" symbol is the assignment operator.

Which symbol is used as a statement terminator in C?

semicolon ';' (Not applicable for block-statements)

What symbol is used to indicate the end of each JavaScript statement?

The semi-colon ( ; ) is used to indicate the end of a statement in JavaScirpt.

How do you draw flowchart for overloaded functions?

You don't. A flowchart is one form of a visualization for an algorithm. Overloaded functions are one of many tools used to implement such an algorithm. The algorithm (and, therefore, the flowchart) isn't concerned with the tool needed for the implementation.

The term used as the ending terminal symbol of a function flowchart?

participial phrase

Which symbol is used in a flowchart to represent a calculation task?

A rectangle represents any process, function, or action and is the most frequently used symbol in flowcharting

What symbol is used at the start or end of a flowchart?

The result of the last option you chose. Usually a box.

When and what are the symbols used in the flowchart for the program for the calculation of average numbers in C language?

Look up "Flowchart" in wikepedia, most of what you need to know can be found there. Get a flow chart symbol template and a sheet of paper and you are on your way.

What are the symbols used in creating flowchart?

How do you write a congruence statement for a pair of triangles.

Conventionally you use the symbol that looks like an "equals" sign but consists of three lines. It is the same symbol as is used for identities. ABC ≡ PQR

What does mi tarea mean in spanish?

Tarea is assignment .... and typically used to mean homework assignment by the parents in my school.

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Which symbol is used for an assignment statement in a flow chart?

assignment statement flowchart

Table of Contents

  • 1 Which symbol is used for an assignment statement in a flow chart?
  • 2 What is the symbol used in an assignment statement?
  • 3 What is the symbol of input output?
  • 4 Can we use symbols in algorithm?
  • 5 Which is the most important symbol in a flowchart?
  • 6 What does a parallelogram symbol mean in a flowchart?

In a flowchart the symbol that represents an assignment statement is an oval.

What is the symbol used in an assignment statement?

The symbol used in an assignment statement is called as an operator.

What are the symbols used in flowchart?

4 Basic Flowchart Symbols for Creating a Flowchart

  • The Oval. An End or Beginning While Creating a Flowchart. The oval, or terminator, is used to represent the start and end of a process.
  • The Rectangle. A Step in the Flowcharting Process.
  • The Arrow. Indicate Directional Flow.
  • The Diamond. Indicate a Decision.

Which symbol is used for process and assignment steps?

Process symbol This common symbol is shaped as a rectangle, and it can also be called the action symbol. It represents an action, function or process and can be considered one of the most-used flowchart symbols.

What is the symbol of input output?

Flowchart Symbols

Can we use symbols in algorithm?

Flowchart is a symbolic or diagrammatic representation of an algorithm. It makes use of symbols which are connected among them to indicate the flow of information and processing.

What is an assignment statement explain with an example?

An assignment statement gives a value to a variable. For example, x = 5; the variable may be a simple name, or an indexed location in an array, or a field (instance variable) of an object, or a static field of a class; and. the expression must result in a value that is compatible with the type of the variable .

What are the types of assignment statement?

There are two types of assignment statements:

  • Symbol assignment statements, which define or redefine a symbol in the symbol name space.
  • Register assignment statements, which define or redefine a register name in the symbol name space.

Which is the most important symbol in a flowchart?

What does a parallelogram symbol mean in a flowchart.

What do the arrows in a flow chart mean?

How is a flowchart used to describe a process?

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  1. Flowchart Assignment Diagrams

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  1. How to show assignment statement and function call at the same time in

    1 Answer Sorted by: 1 From Flowchart Symbols Defined: A Predefined Process symbol is a marker for another process step or series of process flow steps that are formally defined elsewhere. This shape commonly depicts sub-processes (or subroutines in programming flowcharts).

  2. 1.4. Expressions and Assignment Statements

    Assignment Statements ¶ Remember that a variable holds a value that can change or vary. Assignment statements initialize or change the value stored in a variable using the assignment operator =. An assignment statement always has a single variable on the left hand side of the = sign.

  3. Flowchart Symbols and Notation

    It's fast, easy, and totally free. Create a flowchart Flowchart Symbols Guide - Includes common flowchart icons such as process, terminator, and decision symbols for standard and non-standard uses. Use this guide when you explore Lucidchart's vast flowchart shape library. Sign up and try it for free!

  4. Flowchart Tutorial (with Symbols, Guide and Examples)

    A flowchart is a graphical representations of steps. It was originated from computer science as a tool for representing algorithms and programming logic but had extended to use in all other kinds of processes. Nowadays, flowcharts play an extremely important role in displaying information and assisting reasoning.

  5. 30+ Flowchart Examples (With Guide, Tips and Templates)

    Rectangle: A rectangle shape usually depicts a task, operation or process. This is what you'll use for most of your flowchart is depicting a process with various tasks. Parallelogram: This shape represents input or output of data or information in a flowchart. Parallelograms are mostly used in data flow diagrams.

  6. Design Flowchart In Programming (With Examples)

    1. Add two numbers entered by the user. Flowchart to add two numbers 2. Find the largest among three different numbers entered by the user. Flowchart to find the largest among three numbers. 3. Find all the roots of a quadratic equation ax2+bx+c=0 Flowchart to find roots of a quadratic equation 4. Find the Fibonacci series till term≤1000.

  7. 2.3: Arithmetic Operations and Assignment Statements

    An assignment statement is a line of code that uses a "=" sign. The statement stores the result of an operation performed on the right-hand side of the sign into the variable memory location on the left-hand side. 4. Enter and execute the following lines of Python code in the editor window of your IDE (e.g. Thonny):

  8. An introduction to Flowcharts

    A flowchart is a graphical representation of an algorithm.it should follow some rules while creating a flowchart. Rule 1: Flowchart opening statement must be 'start' keyword. Rule 2: Flowchart ending statement must be 'end' keyword. Rule 3: All symbols in the flowchart must be connected with an arrow line.

  9. Flowcharts With Examples in Programming

    2. Flow Lines / Arrow. Arrow lines are used to show the direction of flow in the flowchart. 3. Input / Output. Parallelogram symbols are used to show input and output. 4. Process. A rectangle symbol is used to show a process in a flowchart. A process may be a simple assignment statement like A=10 or a calculation like SUM= A + B etc. 5. Selection

  10. Flow Chart Symbols

    Flow Chart Symbols. It is time to look at the different flow chart symbols. These are the symbols that we, as programmers will use. ... Rectangle - Assignment statements. You will use a rectangle to perform an action (also called "statement"). More precisely, we use them for assignment statements - when you change a value of a variable. ...

  11. Flowchart In C Programming: Guide & Example

    To create a flowchart, you must follow the following current standard guideline: Step 1: Start the program. Step 2: Begin Process 1 of the program. Step 3: Check some conditions and take a Decision ("yes" or "no"). Step 4: If the decision is "yes", proceed to Process 3. If the decision is "no", proceed to Process 2 and return to ...

  12. What are Assignment Statement: Definition, Assignment Statement ...

    An Assignment statement is a statement that is used to set a value to the variable name in a program. Assignment statement allows a variable to hold different types of values during its program lifespan. Another way of understanding an assignment statement is, it stores a value in the memory location which is denoted by a variable name. Syntax

  13. Flowchart Symbols & Meaning

    ‍ 1. Flowline Symbol: Shows the process' direction. Each flowline connects two blocks. Terminal Symbol 2. Terminal Symbol: Indicates the beginning or end of a flowchart. ‍ Process 3. Process: Represent a step in a process. This is the most common component of a flowchart. Decision Symbol ‍ 4.

  14. Solved Assignment Problems

    Q1. Create a program to compute the volume of a sphere. Use the formula: V = (4/3) *pi*r 3 where pi is equal to 3.1416 approximately. The r is the radius of sphere. Display the result. Q2. Write a program the converts the input Celsius degree into its equivalent Fahrenheit degree. Use the formula: F = (9/5) *C+32. Q3.

  15. Flowchart Symbols

    If more than the most basic flowchart symbols appear in your diagram, it is good practice to include a legend or symbol key. Most flowcharts should be built using only the Start/End and Action or Process symbols and should follow a very basic set of best practices. Sticking with these two primary flowchart symbols is the best way to ensure that ...

  16. Solved For this assignment, you will build the flowchart

    For this assignment, you will build the flowchart according to the pseudocode down below using Flowgorithm. This program will sum integers from 2 to 20 and display the total. It will display the value stored in the variable total each time the loop executes and then will display the final total at the end.

  17. For Loop Flowchart

    For Loop Flowchart - A Visual Guide. The for loop is a control flow statement that's used to iterate through a sequence of values. The while loop is a control flow statement that allows you to continuously execute commands as long as a condition evaluates to true. In this article, we'll discuss what they are and how they work. For Loop Flowchart.

  18. What symbol is used for an assignment statement in a flowchart

    What symbol is used for an assignment statement in a flowchart? Updated: 8/11/2023 Wiki User ∙ 10y ago Study now See answers (3) Best Answer Copy Assignment is usually indicated using...

  19. Which symbol is used for an assignment statement in a flow chart

    In a flowchart the symbol that represents an assignment statement is an oval. What is the symbol used in an assignment statement? The symbol used in an assignment statement is called as an operator. What are the symbols used in flowchart? 4 Basic Flowchart Symbols for Creating a Flowchart The Oval. An End or Beginning While Creating a Flowchart.

  20. Chapter 2 Flashcards

    flowchart. The _____ structure consists of a set of statements that execute in the order in which they appear. sequence. A(n) _____ symbol is used for an assignment statement in a flowchart. processing. The _____ operator is used to raise 5 to the second power. ^

  21. FlowCharts/Lecture Notes Chapter 4, 5 ,6 Flashcards

    The ____ is the standard terminal symbol for a flowchart. a. circle b. lozenge c. diamond d. square. C. You represent a decision in a flowchart by drawing a decision symbol, which is shaped like a ____. ... parallelogram b. square c. diamond d. circle. Parallelogram. Complete The Statement. When you draw a flowchart, you use a(n) _____ to ...

  22. The template for <variable> in range(<expr>) describes a) a

    True/False: In Python, x = x + 1 is a legal statement. 1 / 4. Find step-by-step Computer science solutions and your answer to the following textbook question: The template for <variable> in range (<expr>) describes a) a general for loop b) an assignment statement c) a flowchart d) a counted loop.

  23. Ch2 CIST 1305 Flashcards

    A named constant can be assigned a value using a Set statement. A ) True B ) False. False. Which symbol is used for an assignment statement in a flowchart? A ) Processing B ) I/O C ) Terminal D ) Parallelogram E ) None of these. Processing *_____ documentation is a reference guide that describes the features of the program, designed for the user.