Class & Method "Function"

class Demo_Class :                             # This is a Class
    def demo_method(self):                     # this is a method within the Class
        print("This is a demonstration Class") # a command in this Class


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my_object = Demo_Class()                       # We Use The Class By Instance = Class()
my_object.demo_method()                        # Instance.method()

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class DoubleIt:                  # Class
    def Method (self, x, y):     # Function
        doubled_value = (x*y)
        return doubled_value


my_object = DoubleIt()           # first method to use Class+Function
print(my_object.Method(11, 10))

print(DoubleIt.Method(0, 11, 10))  # Second Method to use Class+Function
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Result : 
110
110


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Class & Function & Return exemple : 
class AddingNumbers :
    def AddMethod(self,add1,add2):

        add1=input ("Enter Value X : ")
        add2 = input ("Enter Value Y : ")
        add = int(add1)+int(add2)
        return add
operation1 = AddingNumbers
print("Result of Operation 1 is = ", operation1.AddMethod(operation1,add1=0, add2=0))

operation2 = AddingNumbers
print("Result of Operation 2 is = ", operation2.AddMethod(operation2, add1=0, add2=0))

operation3 = AddingNumbers
print("Result of Operation 3 is = ", operation3.AddMethod(operation3,add1=0, add2=0))

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Result :

Enter Value X : 10
Enter Value Y : 5
Result of Operation 1 is =  15
Enter Value X : 12
Enter Value Y : 1
Result of Operation 2 is =  13
Enter Value X : 13
Enter Value Y : 31
Result of Operation 3 is =  44