next day

#_*_coding:utf_*_
#!/usr/bin/env python

now_day=input('当前某一天：').format('%Y.%m.%d')%%输入日期（年.月.日）

year=int(now_day.split('.')[0])%%年月日用符号“.”分隔开，年放在第一个位置
month=int(now_day.split('.')[1])%%月放在第二个位置
day=int(now_day.split('.')[2])%%日放在第三个位置
print(year,month,day)%%输出使用者
a=[1,3,5,7,8,10]%%将月份中有三十一天的列入一个数组
b=[4,6,9,11]%%将月份中只有三十天的列入一个数组
if month in a:%%如果月份属于a中，则判断日是否为三十一，不是则日加一，是则月加一
    if day == 31:
        month =int(month) + 1
        day=1
        print('%04d-%02d-%02d' % (year, month, day))
    else:
        if day < 32:
            day = int(day) + 1
            print('%04d-%02d-%02d' % (year, month, day))
elif month in b:%%如果月份属于b中，则判断日是否为三十，不是则日加一，是则月加一
    if day == 30:
        month = int(month)+ 1
        day=1
        print('%04d-%02d-%02d' % (year, month, day))
    else:
        if day < 32:
            day = int(day) + 1
            print('%04d-%02d-%02d' % (year, month, day))
elif month == 12 and day == 31:%%月份为12，日为31，则年加一
        year = int(year) + 1
        month=1
        day=1
        print('%04d-%02d-%02d' % (year, month, day))
elif month == 12 and day<32:%%月份为12，日小于31，则日加一
    day = int(day) + 1
    print('%04d-%02d-%02d' % (year, month, day))
elif month>12 or day>31:%%输入日期，月份大于12，日大于31，则输入错误
    print('error input')
elif (year % 4) == 0 and (year % 100) != 0 or (year % 400) == 0:%%判断年是否为闰年，针对2月份来做约束
    if month == 2 and day == 29:
        month = int(month) + 1
        day = 1
        print('%04d-%02d-%02d' % (year, month, day))
    else:
       if day <32:
            day = int(day) + 1
            print('%04d-%02d-%02d' % (year, month, day))
else:
    if month == 2 and day == 28:
        month = int(month) + 1
        day = 1
        print('%04d-%02d-%02d' % (year, month, day))
    else:
        if day <32:
            day = int(day) + 1
            print('%04d-%02d-%02d' % (year, month, day))