from abc import ABC, abstractmethod

# ABC stands for abstract base classes

''' An Abstract class have abstract and non abstract method both but abstract method must be

declare with @abstractmethod decorator and without body.'''

class Abstract(ABC):

@abstractmethod

def get_ab(self):

pass

@abstractmethod

def mul_ab(self):

pass

def display(self):

print("This is a non-abstract method of abstract class ")

class NonAbstract(Abstract):

def get_ab(self):

self.a = int(input("Enter value of a : "))

self.b = int(input("Enter value of b : "))

def mul_ab(self):

print("Multiplication is : ", self.a * self.b)

def show(self):

print("This is a non-abstract method of non-abstract class")

n1 = NonAbstract()

n1.display()

n1.get_ab()

n1.mul_ab()

n1.show()