def bernstein_test_2(rep: str):
    '000 . x + 0'
    a = '000'
    b = '0'
    return bitwise_xor(bitwise_dot(a, rep), b)
000 . x + 0
def bernstein_test_2(rep: str):
    
    a = '000'
    b = '0'
    return bitwise_xor(bitwise_dot(a, rep), b)