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First solution in Clear category for Binary Count by PawelMartyniuk
def checkio(number):
n = 32
k = 0
while ( n>=0):
if (number /(2**n)>=1):
number = number - (2 **n)
k += 1
n = n -1
return k
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio(4) == 1
assert checkio(15) == 4
assert checkio(1) == 1
assert checkio(1022) == 9
Oct. 28, 2016