백준 20920. 영단어 암기는 괴로워

https://www.acmicpc.net/problem/20920

20920번: 영단어 암기는 괴로워

import sys
input = sys.stdin.readline

n, m = map(int, input().split())
word_dict = {}

for _ in range(n):
    word = input().rstrip()
    if len(word) >= m:
        if word in word_dict:
            word_dict[word] += 1
        else:
            word_dict[word] = 1

lst = [[count, word] for word, count in word_dict.items()]
lst.sort(key=lambda x: (-x[0], -len(x[1]), x[1]))

for _, word in lst:
    print(word)