while 1: s = input(‘请填入一个年份：‘) s = int(s) year = False if s % 100 == 0 and s % 400 == 0: year = True elif s % 100 != 0 and s % 4 == 0: year = True if year: print(‘闰年‘) else: print(‘平年‘)
python 判断平年还是闰年
原文：http://www.cnblogs.com/wumac/p/5624662.html
