Python Functions, Modules & Exception Handling for Beginners 🐍 | def, return, None, try/except
In this Python programming lecture, you'll learn how to create and use functions, import modules, work with parameters and return values, understand Python's special None value, and handle errors using try, except, else, and finally.
📚 Topics Covered:
Importing Python libraries and modules
Using the math module
Defining functions with def
Parameters vs. arguments
Default arguments
Return values and None
Creating a main function
Exception handling with try / except
Using else and finally
Handling runtime errors gracefully
Quadratic equation solver example
💻 Perfect for:
Python beginners
Computer Science students
Data Science students
Anyone learning programming fundamentals
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