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.

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

Python’s built-in data structures—like lists, tuples, sets, and dictionaries—are the backbone of efficient, readable, and scalable code. Knowing when and how to use each can drastically improve ...