题目:输入某年某年某月某日,判断这一天是这一年的第几天? 思路:以3月5日为例,应该先把前两个月的加起来,然后再加上5天即本年的第几天,特殊情况,闰年且输入月份大于3时需考虑多加一天: year = int(input('year:n')) month = int(input('month:n')) day = int(input('day:n')) months = [0,31,59,90,120,151,181,212,243,273,304,334] if 0 <= month <= 12:#判断输入的月份 sum = months[month - 1] else: print('data error') sum += day leap = 0 if ________________________________:#判断是平年还是润年 leap = 1 if (leap == 1) and (month > 2): sum += 1 print ('it is
A.(year % 400 == 0) or ((year % 4 == 0) and (year % 100 != 0))
B.(year % 400 = 0) or ((year % 4 = 0) and (year % 100 != 0))
C.(year % 400 == 0) and ((year % 4 == 0) and (year % 100 != 0))
D.(year % 400 == 0) and ((year % 4 == 0) or (year % 100 != 0))