[백준 알고리즘] 1181번 단어 정렬

from sys import stdin

n = int(stdin.readline())
n_list = []

for i in range(n):
    n_list.append(stdin.readline().strip())

setList = list(set(n_list))
setList.sort()
setList.sort(key=len)

for i in range(len(setList)):
    print(setList[i])