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36. pycache and Compiled Files

Python compiles .py files into bytecode .pyc files for faster execution.

Where Are They Stored?​

  • In the __pycache__ directory
  • Filenames include the Python version, e.g., module.cpython-39.pyc

Should You Commit Them?​

No, .pyc files are auto-generated. Add __pycache__/ to .gitignore.

Wrap-Up​

__pycache__ improves performance but should not be committed to version control.