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[MUSIC]

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Welcome to the second stage of functions,
packing, and unpacking in Python.

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So far you've learned what a function is,
how to write and

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recognize one, how to call one,
and a little bit about scope.

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In this stage of the course, you're going
to learn how to send information to

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functions and how to receive
information back out of them.

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The following tech step
is also a handy recap and

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reference you can use as you
move forward with this course.