二进制相加

https://leetcode.com/problems/add-binary/

Description

Given two binary strings, return their sum (also a binary string).

The input strings are both non-empty and contains only characters 1 or 0.

二进制相加，返回新的二进制值，依旧 Python 开挂

Example

Example One

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Input: a = "11", b = "1"
Output: "100"

Example Two

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Input: a = “1010”, b = “1011”
Output: “10101”
‘’’

Answer

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class Solution(object):
    def addBinary(self, a, b):
        """
        :type a: str
        :type b: str
        :rtype: str
        """
        return bin(int(a, 2) + int(b, 2))[2:]