题目要求： 输入2024-02-25/输入这一天是这一年的多少天

date = input('请输入日期： ').split('-')
year = int(date[0])
month = int(date[1])
day = int(date[2])
days = [0,31,28,31,30,31,30,31,31,30,31,30,31]
if not year % 4 and year % 100 or not year % 400:
days[2] += 1

print(sum(days))

result = 0
for i in range(month):
result += days[i]
result += day
print('这一天是这一年的第%d天'%result)