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Python OOP Tutorial (2026): Complete Guide to Object-Oriented Programming with Examples

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 What is Object-Oriented Programming (OOP) What is a Class? A class is a blueprint or template used to create objects. It defines the structure and behavior that every object created from it will have. A class itself does not store actual values. Instead, it describes what properties and actions an object should contain. Real-Life Example Imagine an architect creating a blueprint for a house. The blueprint describes: Number of rooms Doors Windows Kitchen The blueprint is the class. The actual house built from that blueprint is an object. Python Example class Student:     pass Here, Student is a class. What is an Object? An object is a real instance of a class. Objects occupy memory and contain actual values. A single class can create many different objects. Real-Life Example Suppose a school has a class named Student. Students may include: Rahul Priya Sneha Amit ...
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Python Exception Handling Tutorial (2026): Try, Except, Else, Finally

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 Python Exception Handling Tutorial W hat is Exception Handling in Python? Exception Handling is a feature in Python that helps a program deal with unexpected errors while it is running. Instead of stopping the program immediately when an error occurs, Python allows you to catch the error, display a meaningful message, and decide what should happen next. Think about a calculator application. If someone tries to divide a number by zero, the application should not suddenly close. A better approach is to display a message like "Division by zero is not allowed." This is exactly what exception handling is designed to do. Exception handling makes programs more reliable because it allows developers to anticipate possible problems and respond to them gracefully. It is widely used in file handling, database connections, user input validation, web applications, and many other real-world programs. Example try:      number = 10 / 0 except ZeroDivisionError:      p...
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Python Modules in Python – Complete Beginner Guide (2026)

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  What is a Module in Python? Introduction As your Python programs become larger, writing all the code in a single file becomes difficult to manage. Python solves this problem using modules and packages. A module is a Python file (.py) that contains reusable code such as variables, functions, and classes. Instead of writing the same code repeatedly, you can create a module once and import it whenever needed. Python also provides thousands of built-in modules that help developers perform mathematical calculations, generate random numbers, work with dates and times, manage files and folders, and much more. In this tutorial, you will learn: What is a Module? How to Import a Module How to Create Your Own Module What are Packages? Built-in Python Modules Math Module Random Module Datetime Module OS Module What is a Module in Python? A module is simply a Python file that contains reusable code. It helps...
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