Practice Reference Counting and Garbage Collection - 2 | Chapter 9: Memory Management and Performance Optimization in Python | Python Advance
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2 - Reference Counting and Garbage Collection

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is reference counting?

💡 Hint: Think about how Python knows when to release memory.

Question 2

Easy

What happens when an object's reference count reaches zero?

💡 Hint: What does Python do with unused objects?

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 the primary purpose of reference counting in Python?

  • Track the number of objects
  • Manage memory automatically
  • Identify memory leaks

💡 Hint: Think about what happens when an object's reference count reaches zero.

Question 2

True or False: Cyclic garbage collection can handle circular references.

  • True
  • False

💡 Hint: Recall how Python's garbage collector identifies uncollectable objects.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a Python program that demonstrates the issue of circular references and how it is resolved using the gc module. Debug it to ensure no memory leak occurs.

💡 Hint: Ensure to import the gc module and create instances to test.

Question 2

Explain in detail why it's essential for developers to understand both reference counting and cyclic garbage collection. Illustrate your explanation with a practical example.

💡 Hint: Consider scenarios in applications where memory usage impacts performance.

Challenge and get performance evaluation