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  Welcome to Stage 2 of Functions, Packing, and Unpacking!
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                      [MUSIC]
                      0:00
                    
                    
                      Welcome to the second stage of functions,
packing, and unpacking in Python.
                      0:04
                    
                    
                      So far you've learned what a function is,
how to write and
                      0:09
                    
                    
                      recognize one, how to call one,
and a little bit about scope.
                      0:12
                    
                    
                      In this stage of the course, you're going
to learn how to send information to
                      0:16
                    
                    
                      functions and how to receive
information back out of them.
                      0:19
                    
                    
                      The following tech step
is also a handy recap and
                      0:23
                    
                    
                      reference you can use as you
move forward with this course.
                      0:26
                    
              
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