import time

num = int(input())
obj = {}
for i in range(num):
    person_arr = input().split(' ')
    data = person_arr[1] + '-' + person_arr[2] + '-' + person_arr[3]
    data2 = time.strptime(data, '%Y-%m-%d')
    data3 = time.mktime(data2)
    obj[person_arr[0]] = data3
list1= sorted(obj.items(), key=lambda x:x[1])
for key, value in list1:
    print(key)

在pycharm上测试用例都对,也能运行,但是提交就是运行错误,为什么啊