class A:
    def show_a(self):
        print("Class A")

class B:
    def show_b(self):
        print("Class B")

class C(A, B):
    pass

obj = C()
obj.show_a()
obj.show_b()

Class A
Class B

class A:
    def __init__(self):
        print("A init")
        super().__init__()

class B:
    def __init__(self):
        print("B init")
        super().__init__()

class C(A, B):
    def __init__(self):
        print("C init")
        super().__init__()

c = C()

C init
A init
B init

class Grandparent:
    def greet(self):
        print("Hello from Grandparent")

class Parent1(Grandparent):
    pass

class Parent2(Grandparent):
    pass

class Child(Parent1, Parent2):
    pass

c = Child()
c.greet()

Hello from Grandparent

class A:
    def show(self):
        print("A")

class B(A):
    def show(self):
        print("B")

class C(B):
    pass

c = C()
c.show()
print(C.mro())

B
[<class '__main__.C'>, <class '__main__.B'>, <class '__main__.A'>, <class 'object'>]

class Father:
    def skill(self):
        print("Driving")

class Mother:
    def talent(self):
        print("Cooking")

class Child(Father, Mother):
    pass

c = Child()
c.skill()
c.talent()

Driving
Cooking

class A:
    def __init__(self):
        print("Constructor A")

class B:
    def __init__(self):
        print("Constructor B")

class C(A, B):
    def __init__(self):
        super().__init__()

c = C()

Constructor A

class A:
    def display(self):
        print("From A")

class B:
    def display(self):
        print("From B")

class C(A, B):
    pass

obj = C()
obj.display()

From A

class Logger:
    def log(self):
        print("Logging data")

class Validator:
    def validate(self):
        print("Validating data")

class Service(Logger, Validator):
    def execute(self):
        self.log()
        self.validate()
        print("Executing service")

service = Service()
service.execute()

Logging data
Validating data
Executing service

class A:
    def show(self):
        print("A")

class B:
    def show(self):
        print("B")

class C(A, B):
    pass

print(C.mro())

[<class '__main__.C'>, <class '__main__.A'>, <class '__main__.B'>, <class 'object'>]

class Father:
    def skill1(self):
        print("Driving")

class Mother:
    def skill2(self):
        print("Cooking")

class Child(Father, Mother):
    pass

c = Child()
c.skill1()
c.skill2()

Driving
Cooking