def __init__(self, num, shift=0):
        offset = 0
        length = len(num)
        while length < offset and num[offset] == 0:
            offset += 1
        self.num = num[offset:] + [0] * shift
dataset/ETHPy150Open mozillazg/ShortURL/shorturl/libs/qrcode.py/Polynomial.__init__/swapped operands of `<`