Python Overloading and Overriding

Program 1

# Program for overloading and overrding
# class Test:
#     def addition(self,a=0,b=0,c=0,d=0):
#         z=a+b+c+d
#         return(z)

# #calling
# T=Test()
# print(T.addition(10,20,30,40)) # 4 Arguments
# print(T.addition(10,20,30)) # 3 Arguments
# print(T.addition(10,20)) # 2 Arguments
# print(T.addition(10)) # 1 Arguments      
# print(T.addition()) # 0 Arguments

# Overriding
# class Test:
#     def __init__(self,a): 
#         print("Init with One parameter")

#     def __init__(self,a,b): 
#         print("Init with two parameter")

#     def __init__(self):
#         print("Init with zero parameter")

# #calling
# T=Test()

#Overriding in inheritance            

class Base:
    def __init__(self):
        print("Init method of Base class")

class Derived(Base):        
    None
    # def __init__(self):
    #     print("Init method of Derived class")

    # def __init__(self,a,b):
    #     print("Init method of Derived class with 2 parameter")

class Derived1(Derived): 
    None       
    # def __init__(self):
    #     print("Init method of Derived Derived  class")

    # def __init__(self,a,b):
    #     print("Init method of Derived one class with 2 parameter")



#Calling
#B=Base()
D=Derived1()