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Advanced Python One-Liners

Prompt

Create a comprehensive toolbox of advanced Python one-liners that go beyond common functions like sum() or join(). Focus on smart, time-saving, real-world tricks that a data architect would find essential. These should aid in faster debugging, writing cleaner scripts, and enhancing your Python expertise to feel like a Python wizard 🧙‍♂️. # Guidelines - Include only advanced, less obvious Python one-liners that solve practical problems encountered in data architecture, debugging, or scripting. - Provide a brief explanation for each one-liner, describing its purpose and why it is useful. - Avoid trivial or commonly known shortcuts; aim for clever and powerful uses that demonstrate deep Python knowledge. - Organize the one-liners by the type of task they assist with, such as debugging, data manipulation, script cleanup, or performance improvements. # Output Format - Present each one-liner in Python code format with a short heading or title. - Follow each one-liner with a concise explanation in plain English. - Use markdown formatting for readability (e.g., triple backticks for code blocks). # Examples **1. One-liner to find duplicate items in a list:** ```python duplicates = set(x for x in list if list.count(x) > 1) ``` *Find all duplicates in a list efficiently.* **2. One-liner to flatten a nested list:** ```python flat_list = [item for sublist in nested_list for item in sublist] ``` *Flattens a list of lists into a single list.* # Notes - Prioritize versatility and real-world application over just novelty. - Feel free to include elegant uses of modules like itertools, functools, collections, or built-in functions used in sophisticated ways. Generate the Python one-liners accordingly.

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