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Table of Contents

  • Getting to Know Functions in Python
  • Exploring Some Benefits of Functions
    • Abstraction
    • Encapsulation
    • Modularity
    • Reusability
    • Maintainability
    • Testability
  • Defining Functions in Python
  • Calling Functions in Python
    • Positional Arguments
    • Keyword Arguments
  • Returning From Functions
    • Producing Side Effects
    • Returning Values
    • Exiting Functions Early
    • Returning Boolean Values
    • Returning Generator Iterators
    • Creating Closures
  • Defining and Calling Functions: Advanced Features
    • Default Argument Values
    • Variable Number of Positional Arguments: *args
    • Variable Number of Keyword Arguments: **kwargs
    • Positional and Keywords Combined: *args and **kwargs
    • Positional-Only Arguments
    • Keyword-Only Arguments
  • Using Other Advanced Ways to Call Functions
    • Unpacking an Iterable Into Positional Arguments
    • Unpacking Keyword Arguments
  • Exploring Optional Features of Functions
    • Docstrings
    • Annotations
  • Taking a Quick Look at Asynchronous Functions
  • Conclusion
  • Frequently Asked Questions

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