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First solution in Clear category for Binary Count by alwayswannafly
def checkio(number):
return sum(map(int, list(bin(number)[2:])))
if __name__ == '__main__':
assert checkio(4) == 1
assert checkio(15) == 4
assert checkio(1) == 1
assert checkio(1022) == 9
Dec. 7, 2016