One Line java and python solution

  • 1

    For java:

    public char findTheDifference(String s, String t) {
            return (char) (s + t).chars().reduce(0, (x, y) -> x ^ y);

    For python:

    from operator import xor
    class Solution(object):
        def findTheDifference(self, s, t):
            return chr(reduce(xor, map(ord, s + t)))

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