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Chapter 7a - While Loop

While Loopsโ€‹

While Loop

The BooleanExpression is tested, and if it is true, the Statement is executed. Then, the BooleanExpression is tested again. If it is true, the Statement is executed. This cycle repeats until the BooleanExpression is false.

  • Prints ``

while (continueProgram == "y"):
continueProgram = input("Continue program? y/n").lower()[0]

print("Program Terminated")
๐Ÿงช Try the code out!

Reusable Adderโ€‹

The following program adds 2 numbers until the user tells it to stop


while (programFinished == "yes"):

n1 = int(input("Enter number 1"))
n2 = int(input("Enter number 2"))
programFinished = input("Enter Yes if you want to continue using the calculator or No otherwise").lower()
๐Ÿงช Try the code out!


These are used when we just want them to play around with the code first.

  • Create a program that prints your name in two lines until you type n
  • Use the following Canvas

๐Ÿ™‹โ€โ™€๏ธ Example of an the expected Program

Turtle Exampleโ€‹