DaWei

Imagine how you would discover the mean if you were doing it mentally and write Python code to do the same thing. If it doesn't work for you, show your code and ask for help. Incidentally, the mean that you indicate that you want is not the average.

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Abstraction doesn't make it impossible to write bad code; it makes it possible to write superior code.
Contributor's Corner: Grumpy on C++ Exceptions DaWei on Pointers