백준 11650 "좌표 정렬하기"

Python

import sys


n = int(input())
array = [] 

for _ in range(n):
    array.append(list(map(int, sys.stdin.readline().rstrip().split())))
    
array.sort(key= lambda x : x[1])
array.sort(key= lambda x : x[0])
#array.sort(key= lambda x : (x[0], x[1]))로도 가능

for i in array:
    print(*i)