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Code Challenge: Loops

This lesson will help you review Python functions by providing some challenge exercises involving loops.

As a refresher, function syntax looks like this:

def some_function(some_input1, some_input2): … do something with the inputs … return output

For example, a function that prints all odd numbers in a list would look like this:

def odd_nums(lst): for item in lst: if item % 2 == 1: print(item)

And this would produce output like:

>>> odd_nums([4, 7, 9, 10, 13]) 7 9 13

When you’re ready to do this series of short function challenges, continue on to the rest of the lesson!

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