If you have a list of items or a sequence and you want to pic a random item from said sequence. Here is a quick way to do it

from random import choice

letters = ['a', 'b', 'c', 'd']

print(choice(letters))

January 1, 2015

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Counting Set Bits ###Description: Write a function that takes an (unsigned) integer as input, and returns the number of bits that are equal to one in the binary