what is abstract class in python
when we use abstract classes? supposably we have class Car.
you don't want to use it directly. you need extend this class.
thats why you must declare this class as abstract.
then you only can extend this class with all methods.python abstract class
# Python program showing
# abstract base class work
from abc import ABC, abstractmethod
class Animal(ABC):
def move(self):
pass
class Human(Animal):
def move(self):
print("I can walk and run")
class Snake(Animal):
def move(self):
print("I can crawl")
class Dog(Animal):
def move(self):
print("I can bark")
class Lion(Animal):
def move(self):
print("I can roar")
# Driver code
R = Human()
R.move()
K = Snake()
K.move()
R = Dog()
R.move()
K = Lion()
K.move()
Output:
I can walk and run
I can crawl
I can bark
I can roarabstarct class python
import abc
class Shape(metaclass=abc.ABCMeta):
@abc.abstractmethod
def area(self):
pass
class Rectangle(Shape):
def __init__(self, x,y):
self.l = x
self.b=y
def area(self):
return self.l*self.b
r = Rectangle(10,20)
print ('area: ',r.area())abstract class python
An abstract class exists only so that other "concrete" classes can inherit from the abstract class.abstarct class python
from abc import ABC
class MyABC(ABC):
passCopyright © 2021 Codeinu
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