Python 代码实现统计每月天数：闰年判断及分支结构

year = int(input('请输入年份：')) month = int(input('请输入月份：'))

if month in [1, 3, 5, 7, 8, 10, 12]: days = 31 elif month in [4, 6, 9, 11]: days = 30 else: if (year % 4 == 0 and year % 100 != 0) or year % 400 == 0: days = 29 else: days = 28

print(f'{year}年{month}月有{days}天')