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Showing posts tagged Python Idioms · View all posts

Python String Reversal: Understanding [::-1] Slice Notation
Python String Reversal: Understanding [::-1] Slice Notation
Reversing a string in Python is one line: s[::-1]. It's terse, efficient, and uses slice notation in a way that's not immediately obvious. Understanding how it works reveals Python's powerful... Read more...
Python's Elegant Variable Swap: Understanding a, b = b, a
Python's Elegant Variable Swap: Understanding a, b = b, a
Swapping variables in Python takes one line: a, b = b, a. No temporary variable, no XOR tricks, just tuple unpacking doing what it's designed to do. It's clean, readable,... Read more...