client-and-server-side-programming

def is_date_valid(d, m, y): if type(d) != int: raise TypeError("Bad type:day") if type(m) != int: raise TypeError("Bad type:Month") if type(y) != int: raise TypeError("Bad type:Year") def is_leap_year(y): if y % 4 == 0: if y % 100 == 0: if y % 400 == 0: return True else: return False else: return True else: return False

is_leap = is_leap_year(y)

if not m in range(1, 13):
    return False

if m == 2 and is_leap == True:
    if d in range(1, 30):
        return True
    else:
        return False
elif m == 2 and is_leap == False:
    if d in range(1, 29):
        return True
    else:
        return False
elif m in [1, 3, 5, 7, 8, 10, 12]:
    if d in range(1, 32):
        return True
    else:
        return False
elif m in [4, 6, 9, 11]:
    if d in range(1, 31):
        return True
    else:
        return False

class Date: def init(self, init_d, init_m, init_y): if not is_date_valid(init_d, init_m, init_y): raise ValueError("Bad date value") self.day = init_d self.month = init_m self.year = init_y

def get_day(self):
    print("type(self):", type(self))
    print("id(self):", id(self))

    return self.day

def get_month(self):
    return self.month

def get_year(self):
    return self.year

def set_day(self, new_d):
    if is_date_valid(new_d, self.month,
                        self.year):
        self.day = new_d

def set_month(self, new_m):
    if is_date_valid(self.day, new_m,
                     self.year):
        self.month = new_m

def set_year(self, new_y):
    if is_date_valid(self.day, self.month,
                    new_y):
        self.year = new_y

Client

def main(): d1 = Date(20, 4, 1990) d2 = Date(20, 3, 1999)

print("main:id(d1):", id(d1))
dd = d1.get_day()
print("main:dd:", dd)
print("-" * 50)

mm = d1.get_month()
print("mm:", mm)
yy = d1.get_year()
print("yy:", yy)

d1.set_day(17)
d1.set_month(3)
d1.set_year(2045)

print(d1.get_day(), d1.get_month(), d1.get_year())

main()