Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Binary Count by FenixarKing
checkio = lambda number: str(bin(number)).count("1")
def test_function():
assert checkio(4) == 1, "4->1"
assert checkio(15) == 4, "15->4"
assert checkio(1) == 1, "1->1"
assert checkio(1022) == 9, "1022->9"
if __name__ == '__main__':
test_function()
Jan. 25, 2017