[프로그래머스] / [Level 2] / [Python] 테이블 해시 함수

https://school.programmers.co.kr/learn/courses/30/lessons/147354

프로그래머스

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def solution(data, col, row_begin, row_end):
    answer = 0
    data = sorted(data, key=lambda x: (x[col-1], -x[0]))

    for idx, row in enumerate(data[row_begin-1:row_end]):
        row_sum = 0
        for r in row:         
            row_sum += r % (idx+row_begin)
        answer = answer ^ row_sum

    return answer