[백준] 5524번 입실

import sys
sys.stdin = open('1.txt')

r=""
num = int(input())
for _ in range(num):
    r += input().lower()+'\n'
print(r)

 

다른 사람 풀이

import sys
n = int(sys.stdin.readline())
for _ in range(n):
    s = sys.stdin.readline().rstrip()
    print(s.lower())