python之代码优化

class IntToBit(object):

    def __init__(self,word:int):
        if not isinstance(word,int):
            raise StopIteration('数据类型不对')
        if word<0 or word>65535:
            raise StopIteration("数字不在范围")
        self.word=word

    def __getitem__(self, key):
        if not isinstance(key, int):
            raise StopIteration('数据类型错误')
        if (key<0) or (key > 16):
            raise StopIteration("数字不在范围")
        return bin(self.word & (1<16):
            raise StopIteration("数字不在范围")

        if value==True:
            self.word=self.word | (1< str:
        if not isinstance(key, int):
            raise TypeError('数据类型错误')
        if not 0 <= key <= 16:
            raise ValueError("数字不在范围")
        return bin(self.word & (1 << key))

    def __setitem__(self, key: int, value: bool):
        if not isinstance(key, int):
            raise TypeError('数据类型错误')
        if not 0 <= key <= 16:
            raise ValueError("数字不在范围")
        bit = 1 << key
        if value:
            self.word |= bit
        else:
            self.word &= ~bit

    def __repr__(self) -> str:
        return f"{self.word} 的二进制: {bin(self.word)}"

    __str__ = __repr__





a=IntToBit(5)
print(a[0])
a[0]=False
print(a)
print(a[0])
print(1 ==True)