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Collections in Python are organized according to a scheme of protocols such as Container, Iterable, and Sequence. In this course, Core Python 3: Implementing Iterators, Iterables, and Collections, you'll understand how the built-in collections are situated in this scheme. First, you'll discover how collections support different protocols and how those protocols work together to produce powerful, and yet easy-to-use collections. Next, you’ll learn how to design and code new iterators for existing collections, and for whole new collections that meet your specific needs, by following a process of test-driven development. Finally, you'll learn how to optimize collections for performance, so new collections can be both correct, and fast. When you’re finished with this course, you’ll gain a deeper insight into how Python works beneath the surface.
