Python Iterators: Clearing the Lazy/Eager Confusion (opens in new tab)

Python Iterators: Clearing the Lazy/Eager Confusion As a backend developer, I sometimes help companies evaluate candidates by reviewing their recorded technical interviews. However, over time, I’ve noticed a deeply ingrained misconception. When discussing memory management or data streaming, many developers explicitly state: "Iterators in Python are inherently eager. If you want true lazy loading or lazy evaluation, you have to use generators and the yield keyword." This misconception is comm...