Python Day 111: Instance Methods in Python
5 June 2026·9 min
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Welcome to Day 111 of The Complete Python Bootcamp.
In this session, you will explore instance methods in Python and learn how functions inside classes can interact with individual objects.
Instance methods are functions defined within a class that operate on the data belonging to a specific object. They allow objects to perform actions, update information and control behaviour using the attributes stored inside each instance.
Today, you will learn how to define instance methods, how they interact with object attributes and how they help create more dynamic and functional Object Oriented Programming structures.
By the end of this lesson, you will have a clear understanding of how instance methods work and how they allow objects to perform actions and manage their own data.
✅ What You Will Learn
• What instance methods are in Python
• How to define methods inside a class
• How methods interact with object attributes
• How objects can perform actions using methods
• How instance methods help organise behaviour in OOP
• How classes combine data and functionality together
🌍 Why This Topic Matters
Learning about instance methods helps you:
• Build more dynamic and interactive objects
• Organise code more effectively in Object Oriented Programming
• Understand how behaviour is attached to objects
• Improve code structure and reusability
• Prepare for more advanced Python OOP concepts
Instance methods are a core part of professional software development because they allow objects to manage their own behaviour and functionality.
🎯 Who This Lesson Is For
• Beginners learning Python Object Oriented Programming
• Learners practising classes and methods
• Students building stronger OOP foundations
• Anyone interested in creating reusable Python code
• Viewers preparing for advanced Python development
🔥 Give Your Python Objects Behaviour
This session is where your Python objects begin doing more than just storing data.
By learning instance methods, you will understand how objects can perform actions, manage information and interact dynamically within your programs.
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👉 Comment with an example of a method you would add to a Python class
👉 Share this video with someone learning Python
🔎 Keywords
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