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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an iterator in Python?
💡 Hint: Think of it as a way to access elements sequentially.
Question 2
Easy
Name the two methods that an object must implement to be considered an iterator.
💡 Hint: One returns the iterator itself, the other returns the next item.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the next() method do in an iterator?
- Returns the iterator object itself
- Returns the next value
- Raises StopIteration
💡 Hint: It retrieves one item at a time.
Question 2
True or False: The iter() method must return a new iterator each time.
- True
- False
💡 Hint: Just remember that it identifies the same iterator.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a generator that can count both up and down based on a parameter. If the parameter is positive, count up; if negative, count down. Explain your approach.
💡 Hint: Consider how to handle the count state in both scenarios.
Question 2
Develop a comprehension of how iterators can be utilized in data pipelines, providing a custom example.
💡 Hint: Think of real-world situations where data flows through various stages.
Challenge and get performance evaluation