While loops

In this lesson, we will investigate the world of iteration in programming. We will learn how to create and use a while loop in Python.

Video

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

While Loops

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What will be the output of this program if the user enter's Hedy when prompted?

1/3

Q2.What will be the output of this program if the user enter's Rebecca when prompted?

2/3

Q3.True or False: A while loop isn’t constantly evaluating the condition. It executes the entire sequence within the loop before re-evaluating the condition.

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

While Loops

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What will be the output of this program if the user enter's Hedy when prompted?

1/3

Q2.What will be the output of this program if the user enter's Rebecca when prompted?

2/3

Q3.True or False: A while loop isn’t constantly evaluating the condition. It executes the entire sequence within the loop before re-evaluating the condition.

3/3

Lesson summary: While loops

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The next lesson in:
Programming 3: Iteration
is:
Trace tables

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