Python Day 85: args and kwargs - Learn How to Handle Variable Arguments
30 April 2026·11 min
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Welcome to Day 85 of The Complete Python Bootcamp.
In this session, you will explore args and kwargs in Python, powerful tools that allow your functions to accept a variable number of arguments.
Sometimes you do not know how many inputs a function will receive. This is where args and kwargs come in. args collects positional arguments into a tuple, while kwargs collects keyword arguments into a dictionary, giving your functions flexibility and scalability.
Today, you will learn how args and kwargs work, how to use them correctly and how they help you write more dynamic and adaptable functions.
By the end of this lesson, you will confidently build functions that can handle multiple inputs in a clean and flexible way.
✅ What You Will Learn in Day 85
• What args is and how it works
• What kwargs is and how it works
• The difference between positional and keyword arguments
• How to handle variable numbers of inputs
• Practical examples of flexible function design
• How to structure functions using args and kwargs
This session builds directly on your understanding of parameters, positional arguments and keyword arguments.
🌍 Why args and kwargs Matter
Understanding args and kwargs helps you:
• Build flexible and scalable functions
• Handle unknown numbers of inputs
• Write cleaner and more adaptable code
• Simplify function design in complex programs
• Follow Python best practices
These techniques are widely used in real world Python development and frameworks.
🎯 Who This Lesson Is For
• Beginners learning Python step by step
• Learners advancing into more flexible function design
• Students preparing for development or data roles
• Anyone wanting to write dynamic and reusable code
• Viewers who enjoy practical examples and clear explanations
This lesson prepares you for more advanced programming patterns and real world applications.
🔥 Build Flexible Functions Like a Pro
Once you understand args and kwargs, you can design functions that adapt to almost any situation.
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👉 Comment where you might need a function with variable inputs
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