How does garbage collection work in Python?

📰 Medium · Python

Learn how Python's garbage collection works using reference counting and a garbage collector to manage memory

intermediate Published 18 Jun 2026
Action Steps
  1. Understand the basics of reference counting in Python
  2. Learn how the garbage collector identifies and frees unused objects
  3. Configure and optimize garbage collection in Python using the gc module
  4. Test and analyze the performance impact of garbage collection on Python applications
  5. Apply best practices to minimize memory leaks and optimize memory usage in Python code
Who Needs to Know This

Developers and software engineers working with Python will benefit from understanding how garbage collection works to optimize their code and improve performance

Key Insight

💡 Python's garbage collection uses a combination of reference counting and a garbage collector to automatically manage memory

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🚮 Learn how Python's garbage collection works to optimize your code and improve performance!
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