题解 | 日期类
日期类
https://www.nowcoder.com/practice/130aa2d7d1f5436b920229dca253893b
from datetime import datetime, timedelta,date
n = int(input())
while True:
try:
y, m, d = list(map(int, input().split()))
dt = datetime(y, m, d)
now = dt + timedelta(days=1)
print(now.strftime('%Y-%m-%d'))
except:
break
