TYPES OF INHERITANCE IN PYTHON

1. Single Inheritance – The concept of inheriting properties from only one class into another class is known as a single inheritance.

Example –

class A:
    def m1(self):
        print 'in m1 of A'
class B(A):
    def m2(self):
        print 'in m2 of B'
B1=B()
B1.m1()
B1.m2()

Output –

in m1 of A

in m2 of B 

2. Multilevel Inheritance – The concept of inheriting properties from multiple classes into single class with the concept of “one after another” is known as a multilevel inheritance.

 Example –

class A:
    def m1(self):
        print 'in m1 of A'
class B(A):
    def m2(self):
        print 'in m2 of B'
class C(B):
    def m3(self):
        print 'in m3 of C'
C1=C()
C1.m1()
C1.m2()
C1.m3()

Output –

in m1 of A

in m2 of B

in m3 of C

3. Hierarchical Inheritance – The concept of inheriting properties from one class into multiple classes is known as hierarchical inheritance

class A:
    def m1(self):
        print 'in m1 of A'
class B(A):
    def m2(self):
        print 'in m2 of B'
class C(A):
    def m3(self):
        print 'in m3 of C'
B1=B()
B1.m1()
B1.m2()
C1=C()
C1.m1()

C1.m3()

Output –

in m1 of A

in m2 of B

in m1 of A

in m3 of C

4. Multiple Inheritances – The concept of inheriting properties from multiple classes into single class at a time is known as multiple inheritance.

Example –

class A:
    def m1(self):
        print 'in m1 of A'
class B:
    def m2(self):
        print 'in m2 of B'
class C(A,B):
    def m3(self):
        print 'in m3 of C'
C1=C()
C1.m1()
C1.m2()
C1.m3()
A1=A()
A1.m1()
B1=B()
B1.m2()

Output –

in m1 of A

in m2 of B

in m3 of C

in m1 of A

in m2 of B

5. Cyclic Inheritance – The concept of inheriting the properties from sub class to super class is known as a cyclic inheritance. Python doesn’t support cyclic inheritance.

Example -

class A(C):
    def m1(self):
        print 'in m1 of A'
class B(A):
    def m2(self):
        print 'in m2 of B'
class C(B):
    def m3(self):
        print 'in m3 of C'