Iterators and Generators (from The Python Tutorial), Python Software Foundation, 2024 - Official Python tutorial introduction to iterators, the iterator protocol, generator functions, and generator expressions.
Fluent Python: Clear, Concise, and Effective Programming, Luciano Ramalho, 2022 (O'Reilly Media) - Provides an in-depth exploration of Python's data model, including comprehensive chapters on iterators, generators, and generator expressions, offering advanced insights. (2nd edition)
Python Cookbook, David Beazley and Brian K. Jones, 2013 (O'Reilly Media) - Offers practical recipes and patterns for working with iterators and generators, particularly useful for data processing and building custom iteration logic. (3rd edition)