python abstract class

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showing results for - "python abstract class"
Flavie
19 Aug 2020
1# Python program showing 
2# abstract base class work 
3  
4from abc import ABC, abstractmethod 
5class Animal(ABC): 
6  
7    def move(self): 
8        pass
9  
10class Human(Animal): 
11  
12    def move(self): 
13        print("I can walk and run") 
14  
15class Snake(Animal): 
16  
17    def move(self): 
18        print("I can crawl") 
19  
20class Dog(Animal): 
21  
22    def move(self): 
23        print("I can bark") 
24  
25class Lion(Animal): 
26  
27    def move(self): 
28        print("I can roar") 
29          
30# Driver code 
31R = Human() 
32R.move() 
33  
34K = Snake() 
35K.move() 
36  
37R = Dog() 
38R.move() 
39  
40K = Lion() 
41K.move() 
42
43Output:
44
45I can walk and run
46I can crawl
47I can bark
48I can roar
Riccardo
15 May 2018
1from abc import ABC,abstractclassmethod
2
3class Parent(ABC):
4
5    @abstractclassmethod
6    def pqr(self):
7        pass
8
9class Child(Parent):
10
11    def pqr(self):
12        print("PQR")
13
14obj = Child()
15obj.pqr()
Viktoria
23 May 2017
1An abstract class exists only so that other "concrete" classes can inherit from the abstract class.
Elena
13 Aug 2018
1from abc import ABC
2
3class MyABC(ABC):
4    pass
5
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