Phone, Computer, SmartPhone classes implemented using multiple inheritance in Python 3.x

multiple_inheritance.py

class Phone:
    
    def __init__(self):
        print("Phone constructor invoked.")
    
    def call_number(self, phone_number):
        print("Calling number {}".format(phone_number))



class Computer:

    def __init__(self):
        print("Computer constructor invoked.")

    def install_software(self, software):
        print("Computer installing the {} software".format(software))



class SmartPhone(Phone,Computer):

    def __init__(self):
        super().__init__()