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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to an object when its reference count reaches zero?
💡 Hint: Think about what occurs when no variables point to an object.
Question 2
Easy
What module do we use to check the size of an object?
💡 Hint: It's a module that helps with system-specific functions.
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 is reference counting primarily used for in Python?
- To increase execution speed
- To track memory usage
- To manage memory automatically
💡 Hint: Think about how Python keeps track of objects.
Question 2
True or False: Circular references can cause issues in memory management because they prevent objects from being released.
- True
- False
💡 Hint: Consider what happens when two friends won't let go of each other.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Python snippet to demonstrate a circular reference and then use the gc module to cleanup the references.
💡 Hint: Think about how to create circular references and why you need to call the collector.
Question 2
Explain how you would profile memory usage in a Python application and the steps you would take if you identified a memory leak.
💡 Hint: Consider profiling as a check-up for your application.
Challenge and get performance evaluation