While Loops

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Previous Lesson

Last lesson, we learned about for loops. But imagine if you want that for loop to run forever. That is called a while loop. A while loop is a loop that runs until a condition is true. If there is no condition, then it will run forever. Here is an example:

•  No Condition

There are two ways to stop a while loop. You can use a condition, or you can use a break in the middle of the loop. A break is any point in the while loop in which you can stop the while loop and move onto the next line. You can also write breaks in any loop including for loops. Below are examples of breaks and conditions.

• Condition
• Break 

If you want a while loop that goes on forever instead, you can just put True as the condition.

You can write a while loop like this.

while condition:

    [What you want to put in the while loop]