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EXCEPTION :      Even when Program is syntactically correct , it may still cause an error when executed. These errors  occurs during run-time , known as EXCEPTION  .An exception is an event ,which occur during the execution of a program and disturbs the standard flow…

Abstract Class in Python:     A class which contain (at least) one or more abstract method  in its definition is called as abstract class .Abstract class is a class which can not be instantiated  which means we cannot create object of that class, such class can o…

Polymorphism                 Polymorphism refers to having several different forms . It allows programmers to assign different meanings to a variable ,objects or method with the same name .   Polymorphism is one of the important features of OOP. In python Polymorp…

Inheritance in Python :       Reusing code is an important feature of any programming language(OOP). Reusing Prewritten code has Manifolds merits. It not only saves effort to write a code and cost for production but also enhance its reliability.  So the code writte…

Object Orientated programming :          In the previous section , we had discuss about Classes in Python .Definition and Syntax of Class and Object . We saw the __init__() which initializes an object when it is created .Similar to this __init__() method we…