Python’s built-in data structures—lists, dictionaries, sets, and tuples—are the backbone of effective coding. Each offers unique strengths, from ordered mutability to lightning-fast lookups.

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This explainer is part of a series Full Fact is publishing exploring a range of topics. We’ll be updating these articles on a regular basis—this article was last updated on 19 May 2026 and the ...

Shopping lists, to-do lists, check lists – when was the last time you made, or followed, a list? When you stop to think about it, many of the things we read and write in our everyday lives are some ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...