Many programs have a need to iterate over a large list of generated data. The conventional way to do this would be to calculate the values for the list and populate it, then loop over the whole thing.

This post explains how to use loops in Python. You'll learn FOR loops, WHILE loops, BREAK, CONTINUE and more. A crucial skill for coding!

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Note that we’ve already used Python’s list comprehension in the broken example above, to invoke the list. It’s the expression in the square brackets [], and is basically a short form for loops.