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.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Boyle is an experienced financial professional with more than 10 years working with ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Cierra Murry is an expert in banking, credit cards, investing, ...