class Date:
# 构造函数
def __init__(self, year, month, day):
self.year = year
self.month = month
self.day = day
def __str__(self):
# return "{year}/{month}/{day}".format(year=self.year, month=self.month, day=self.day)
return "{}/{}/{}".format(self.year, self.month, self.day)
if __name__ == '__main__':
new_day = Date(2023, 12, 31)
print(new_day)
class Date:
# 构造函数
def __init__(self, year, month, day):
self.year = year
self.month = month
self.day = day
def tomorrow(self):
self.day += 1
def __str__(self):
# return