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Chapter 4, Problem 7SA

Explanation of Solution

Flag:

In programming language, a flag is a variable, which is of Boolean type that rises when a condition occurs.

  • Generally, "Boolean" variables are used as flags.
  • A flag is a variable which is used to remember something or leaves a sign for the other parts of the program.
  • The condition does not exist when the flag is set to false.
  • The condition exists when the flag is set to true.
  • In addition with the "int", "float" and "string" data type, python also provides a "bool" data type, which holds one of the two values "True" or "False".

Example

#Assign the variable "number" to 6

number=6

#Check to check the number is odd or even

if number%2==0:

#set flag variable as true

flag_val=True

#If condition fails else part is executed

else:

#set flag variable as false

flag_val=False

#"If" true ...

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Chapter 4 Solutions

Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)

Chapter 4.3, Problem 4.11CP Chapter 4.3, Problem 4.12CP Chapter 4.4, Problem 4.13CP Chapter 4.4, Problem 4.14CP Chapter 4.4, Problem 4.15CP Chapter 4.4, Problem 4.16CP Chapter 4.5, Problem 4.17CP Chapter 4.5, Problem 4.18CP Chapter 4.5, Problem 4.19CP Chapter 4.5, Problem 4.20CP Chapter 4.6, Problem 4.21CP Chapter 4.6, Problem 4.22CP Chapter 4.6, Problem 4.23CP Chapter 4.6, Problem 4.24CP Chapter 4.6, Problem 4.25CP Chapter 4.6, Problem 4.26CP Chapter 4.7, Problem 4.27CP Chapter 4.7, Problem 4.28CP Chapter 4, Problem 1MC Chapter 4, Problem 2MC Chapter 4, Problem 3MC Chapter 4, Problem 4MC Chapter 4, Problem 5MC Chapter 4, Problem 6MC Chapter 4, Problem 7MC Chapter 4, Problem 8MC Chapter 4, Problem 9MC Chapter 4, Problem 10MC Chapter 4, Problem 11MC Chapter 4, Problem 12MC Chapter 4, Problem 13MC Chapter 4, Problem 14MC Chapter 4, Problem 15MC Chapter 4, Problem 1TF Chapter 4, Problem 2TF Chapter 4, Problem 3TF Chapter 4, Problem 4TF Chapter 4, Problem 5TF Chapter 4, Problem 1SA Chapter 4, Problem 2SA Chapter 4, Problem 3SA Chapter 4, Problem 4SA Chapter 4, Problem 5SA Chapter 4, Problem 6SA Chapter 4, Problem 7SA Chapter 4, Problem 1AW Chapter 4, Problem 2AW Chapter 4, Problem 3AW Chapter 4, Problem 4AW Chapter 4, Problem 5AW Chapter 4, Problem 6AW Chapter 4, Problem 7AW Chapter 4, Problem 8AW Chapter 4, Problem 9AW Chapter 4, Problem 10AW Chapter 4, Problem 1DE Chapter 4, Problem 2DE Chapter 4, Problem 3DE Chapter 4, Problem 1PE Chapter 4, Problem 2PE Chapter 4, Problem 3PE Chapter 4, Problem 4PE Chapter 4, Problem 5PE Chapter 4, Problem 6PE Chapter 4, Problem 7PE Chapter 4, Problem 8PE Chapter 4, Problem 9PE Chapter 4, Problem 10PE Chapter 4, Problem 11PE Chapter 4, Problem 12PE

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