rmonth = [0, 31, 29, 31, 30, 31, 30, 31,31, 30, 31, 30, 31] month = [0, 31, 28, 31, 30, 31, 30, 31,31, 30, 31, 30, 31] days = 0 def pd_days(y, m, d): global rmonth, month, days # 判断闰年 if y % 4 == 0 and y % 100 != 0 or y % 400 == 0: print('%s年是闰年' % y) # 判断月 if m in range(1,13): # 判断日 if d <= rmonth[m]: for i in range(m): days += rmonth[i] days += d else: print('日错误') else: print('月错误') else: print('%s年不是闰年' % y) # 判断月 if m in range(1, 13): # 判断日 if d <= month[m]: for i in range(m): days += month[i] days += d else: print('日错误') else: print('月错误') return days day = input('请输入八位年月日(如20080808):') y = int(day[:4]) m = int(day[4:6]) d = int(day[6:]) print('您输入的是 %d 年 %d 月 %d 日' % (y, m, d)) print('此日是%d年的第%d天!' % (y, pd_days(y, m, d)))