2inheritance.py

class Family:
    def function1(self):
        print("hello")


class Person(Family):
    def function1(self):
        print("hii")


obj = Person()
obj.function1()
print()

'''superfunction'''


class Person:
    def __init__(self, fname, lname):
        self.firstname = fname
        self.lastname = lname

    def printname(self):
        print(self.firstname, self.lastname)


class Student(Person):
    def __init__(self, fname, lname):
        super().__init__(fname, lname)


x = Student("MIYA", "KUMAR")
x.printname()
print()

"""add properties"""


class Person:
    def __init__(self, fname, lname):
        self.firstname = fname
        self.lastname = lname

    def printname(self):
        print(self.firstname, self.lastname)


class Student(Person):
    def __init__(self, fname, lname):
        super().__init__(fname, lname)
        self.graduationyear = 2023


x = Student("MIYA", "KUMAR")
print(x.graduationyear)
print()

'''another way to add properties'''


class Person:
    def __init__(self, fname, lname):
        self.firstname = fname
        self.lastname = lname

    def printname(self):
        print(self.firstname, self.lastname)


class Student(Person):
    def __init__(self, fname, lname, year):
        super().__init__(fname, lname)
        self.graduationyear = year


x = Student("MIYA", "KUMAR", 2022)
print(x.graduationyear)
print()

'''add methods'''


class Person:
    def __init__(self, fname, lname):
        self.firstname = fname
        self.lastname = lname

    def printname(self):
        print(self.firstname, self.lastname)


class Student(Person):
    def __init__(self, fname, lname, year):
        super().__init__(fname, lname)
        self.graduationyear = year

    def welcome(self):
        print("Welcome", self.firstname, self.lastname, "to the class of", self.graduationyear)


x = Student("MIYA", "KUMAR", 2019)
x.welcome()