<reponame>webdevhub42/Lambda
def rangeBitCount(a, b):

    s = 0
    for n in range(a, b + 1):
        s += str(bin(n)).count("1")

    return s

def rangeBitCount(a, b):

    s = 0
    for n in range(a, b + 1):
        s += str(bin(n)).count("1")

    return s