190. Reverse Bits Leetcode Python

反转32位无符号整数

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本文介绍了一种反转32位无符号整数的方法，并提供了一个Python实现示例。该方法首先将整数转换为32位二进制字符串，然后反转字符串并将其重新转换为整数。

Reverse bits of a given 32 bits unsigned integer.

For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as 00111001011110000010100101000000).

Follow up:
If this function is called many times, how would you optimize it?

Related problem: Reverse Integer

class Solution:
    # @param n, an integer
    # @return an integer
    def reverseBits(self, n):
        str='{0:032b}'.format(n)
        str=str[::-1]
        return int(str,2)