what is a constructor in python

Question

can you give an example?

Answer 1

Constructors are for instantiating an object.The task of constructors is to initialize the data members of the class when an object of class is created. The __init__() method is called the constructor in Python and is always called when an object is created.

class Employee:  

1.     def __init__(self,name,id):  
2.         self.id = id;  
3.         self.name = name;  
4.     def display (self):  
5.         print("ID: %d \nName: %s"%(self.id,self.name))  
6. emp1 = Employee("John",101)  
7. emp2 = Employee("David",102)       
8. emp1.display();   
9. emp2.display();  

Output:

ID: 101 
Name: John
ID: 102 
Name: David

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