一个简单,优美的代码实现如下: date = input().split(' ') year = int(date[0]) month = int(date[1]) day = int(date[2]) day_list = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0) : day_list[2] += 1 # 闰年 sum_day = 0 for i in range(month): su...