HackerRank/python3/Built-Ins/python-sort-sort.py at master · datalivre/HackerRank

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# Athlete Sort
# https://www.hackerrank.com/challenges/python-sort-sort/problem
from operator import itemgetter
def sorted_k(arr, k):
    # with itemgetter, examples become simpler and faster.
    for a in sorted(arr, key=itemgetter(k)):  # py2.6>
        print(*a)
if __name__ == '__main__':
    n, m = map(int, input().split())
    array = [[int(i) for i in input().split()] for _ in range(n)]
    k = int(input())
    sorted_k(array, k)

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