How to access one class variable in another class in python – Inheritance
By Prakash RajIn this program, we are going to learn How to access one class variable in another class as well as a single level inheritance in python.
You can read more: How the concept of Inheritance is implemented in Python
Access one class variable in another class using inheritance in python
What is inheritance:
Inheritance is an important topic of object-oriented programming language. Inheritance provides code reusability to the program because we can use an existing class to create a new class instead of creating it from scratch.
the child class acquires the properties and can access all the data members and functions defined in the parent class.
Example code:
Class A:
{ }
Class B(A):
{ }
Create a first class with the name A and with function name method_A:
class A:
#here a and b both are class variable of class A.
#and initialize with 0.
a = 0
b = 0
def funA(self,x,y):
A.a = x
A.b = y
Now create another class with the name B from where we will access the variable of class A:
class B(A):
def __init__(self):
#access class A variable from class B.
print("variable of class A",A.a)
print("variable of class B",A.b)
Create class A object and take user input:
#class A object
object1 = A()
#user input no.
a=int(input("enter 1st number "))
b=int(input("enter 2nd number "))
Called method of class A and create child class object:
#class A method call ob1.funA(a,b) #class B object ob2 = B()
whole program:
class A:
#here a and b both are class variable of class A.
#and initialize with 0.
a = 0
b = 0
def funA(self,x,y):
A.a = x
A.b = y
class B(A):
def __init__(self):
#access class A variable from class B.
print("variable of class A =",A.a)
print("variable of class B =",A.b)
#class A object
ob1 = A()
#user input no.
a=int(input("enter 1st number "))
b=int(input("enter 2nd number "))
#class A method call
ob.funA(a,b)
#class B object
ob = B()
Output:
enter 1st number 5 enter 2nd number 6 1st variable 2nd variable value is printing from class B 1st variable of class A= 5 2nd variable of class B =6
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