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The Python Iteration Protocol In Python, iteration protocols define how sequences are traversed. There is a distinct difference between an iterable object and an iterator object. Iterable: An object that can return an iterator via its __iter__ method. Examples include lists, tuples, and dictionaries. Iterator: An object that represents a strea ...

Problem Overview Consider a scenario where you need to generate personalized content for users. When a customer logs into an e-commerce site, they might see a welcome message containing their specific information. This requires combining a predefined text template with user data from a database. The challenge is to create a system that can: Re ...