Practice Iterators and the Iterator Protocol - 3.2 | Chapter 3: Generators and Iterators | Python Advance
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Iterators and the Iterator Protocol

3.2 - Iterators and the Iterator Protocol

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the two methods required for an object to be considered an iterator?

💡 Hint: Think of how Python uses these methods in loops.

Question 2 Easy

What exception is raised when the end of an iterator is reached?

💡 Hint: It's a key part of the iterator protocol.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What key methods must be implemented for an object to be an iterator?

__add__() and __next__()
__iter__() and __next__()
__iter__() and __getitem__()

💡 Hint: Recall the definitions provided in class.

Question 2

True or False: The StopIteration exception is raised when the iterator is still producing items.

True
False

💡 Hint: Think about what happens during iteration.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an iterator that can produce prime numbers indefinitely. Describe the implementation process.

💡 Hint: Consider how to check for prime status efficiently.

Challenge 2 Hard

Implement an iterator that goes through a list but skips every second element. What modifications do you need to the next() method?

💡 Hint: Think about how you can control the loop within the next method.

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