题解 | 计算日期到天数转换

while True:
    try:
        string = input().split()
        year = int(string[0])
        month = int(string[1])
        day = int(string[2])
        # print(string)
        # print(year, month, day)
        month_single_list = [1, 3, 5, 7, 8, 10, 12]
        month_double_list = [4, 6, 9, 11]
        if (year % 4 == 0 and year % 100 != 0) or (year // 400 == 0):
            # print(f'闰年{year}')
            days = 0
            for i in range(1, month):
                if i in month_single_list:
                    days += 31
                elif i in month_double_list:
                    days += 30
                else:
                    days += 29
            days += day

        else:
            # print(f'平年{year}')
            days = 0
            for i in range(1, month):
                if i in month_single_list:
                    days += 31
                elif i in month_double_list:
                    days += 30
                else:
                    days += 28
            days += day
        print(days)

    except Exception as e:
        break