def __init__(self):
    self.surname = None
    self.name = None
    self.patronymic = None
    self.age = 19
    self.birthday = None
    self.group = None
def __init__(self):
    self.surname = None
    self.name = None
    self.patronymic = None
    self.age = 19
    self.birthday = None
    self.group = None