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31.Python-Inheritance Types

Types of Inheritance
    As we know,Inheritance is one of the feature of OOPS which allows to extend the classes by inheriting the properties and methods from parent class.The types of inheritance are as follows:
1)Single level inheritance
2)Multi level inheritance
3)Multiple inheritance
4)Hierarchical inheritance
5)Hybrid inheritance

Single level Inheritance:
    In this type of inheritance ,only one child class inherits the properties of a parent class.
Syntax:
class A:
    methods/attributes
class B(A):
    methods/attributes
Program:
class School:#parent class
    def schoolInfo(self):
            print("Welcome to school")
class Student(School):#child class
    def studentInfo(self):
        print("I am student")
stu=Student()#child class object
stu.schoolInfo()
stu.studentInfo()
Output:
Welcome to school 
I am student
Multi level Inheritance:
    In Multilevel inheritance,a child class inherits the properties of a base class which in turn inherits the properties of another parent class.
Syntax:
class A:
    methods/attributes
class B(A):
    methods/attributes
class C(B):
    methods/attributes
Program:
class School:#parent class
    def schoolInfo(self):
            print("Welcome to school")
class Student(School):#child class inherits School
    def studentInfo(self):
        print("I am student")
class Parent(Student):#child class inherits Student
    def ParentInfo(self):
        print("I am Parent")
pobj=Parent()#child class object
pobj.schoolInfo()
pobj.studentInfo()
pobj.ParentInfo()
Output:
Welcome to school 
I am student 
I am Parent
Multiple inheritance
    In Multiple inheritance,the child class inherits the properties from more than one parent class.
Syntax:
class A:
    methods/attributes
class B:
    methods/attributes
class C(A,B):
    methods/attributes
Program:
class School:
    def schoolInfo(self):
            print("Welcome to school")
class Student():
    def studentInfo(self):
        print("I am student")
class Parent(School,Student):
    def ParentInfo(self):
        print("I am Parent")
pobj=Parent()
pobj.schoolInfo()
pobj.studentInfo()
pobj.ParentInfo()
Output:
Welcome to school 
I am student 
I am Parent
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