Python 自定义一个正无穷大的整数

作者：0x76
链接：https://www.zhihu.com/question/429361837/answer/1565316314
来源：知乎 5 
class inf(int):
    '''
        Infinite positive integer
    '''
    def __init__(self):
        pass

    def __str__(self):
        return 'inf_int'

    def __float__(self) -> float:
        return float('inf')

    def __eq__(self, rhs) -> bool:
        return False
    def __ne__(self, rhs) -> bool:
        return True
    def __lt__(self, rhs) -> bool:
        return False
    def __le__(self, rhs) -> bool:
        return False
    def __gt__(self, rhs) -> bool:
        return True
    def __ge__(self, rhs) -> bool:
        return True