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Operator Overloading In Python
The document explains operator overloading in Python, allowing operators like + to have different meanings based on the context of objects. It highlights the use of special methods such as __add__, which are invoked to define the operations for these operators on custom classes. An example provided involves adding two objects of a custom 'batsman' class using the overloaded + operator.
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Explains the concept of operator overloading in Python and what the audience will learn.
Details how operators function for built-in classes and the different behaviors for user-defined classes.
Demonstrates the need for operator overloading with an example using the binary ‘+’ operator for custom class objects.
Lists magic functions in Python that facilitate operator overloading, highlighting key operators' methods.
Illustrates how the + operator is overloaded using the __add__ method to add scores of batsman objects.
Provides contact details for Simplilearn Solutions Pvt. Limited, inviting further learning opportunities.
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Operator Overloading In Python
- 2. What’s in itfor you? How to overload the operators in Python? What is Operator Overloading?
- 3. What is OperatorOverloading? Python operators work for built-in classes in a predefined operational way. But the same operator behaves differently for objects of different classes For example, the + operator will perform arithmetic addition on two numbers, merge two lists, or concatenate two strings This feature in Python that allows the same operator to have different meanings according to the context is called operator overloading 8 + 7 Operands Operator
- 4. How to overloadthe operators in Python? Object 1 B1=batsman(66, 78) Class Batsman Object 2 B2=batsman(23, 59) Consider that we have two objects B1 and B2 of a class Batsman. We must add both objects with a binary ‘+’ operator It will throw an error because the compiler doesn’t know how to add two objects. Here, we will define a method for an operator and that process is called operator overloading
- 5. How to overloadthe operators in Python? We can overload all defined operators. Python provides some special or magic function that is automatically invoked when associated with that operator to perform operator overloading • __add__() • __sub__() • __mul__() • __div__() • __gt__() • __lt__() These are some of the magic methods
- 6. How to overloadthe operators in Python? For example, when we use the + operator, the magic method __add__ is automatically invoked in which the operation for the + operator is defined. Here we will overload the + operator to add the scores of batsman Output
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