Python Underscore (_) Guide Best Practices & Examples
In this video, we dive deep into the various uses of underscores in Python and how they can help you write cleaner, more maintainable code.
What you'll learn:
1. ⚙️ Single underscores (_) in interactive interpreters and throwaway variables.
2. 🔒 Single leading underscores (_var) for indicating internal use.
3. 🔐 Double leading underscores (__var) for name mangling and avoiding subclass conflicts.
4. ✨ Double leading and trailing underscores (var) for special methods and magic functions.
5. 📦 Leading underscores in module names for indicating internal modules in a package.
We'll also walk through a practical example of structuring a Python package with internal and public modules, demonstrating the importance of using underscores to control the public API. By the end of this video, you'll have a solid understanding of how to use underscores effectively in your Python projects.
⏰ * Time Stamp:
00:00 Introduction of Underscores
00:58 Single Underscore (_) Usage
05:10 Single Leading Underscore (_var) Usage
07:05 Double Leading Underscore (__var) Usage
10:38 Double Leading and Trailing Underscore (__var__) Usage
12:52 Leading Underscore in Module Names (Practical Example: Creating a Python Package)
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