What is the purpose of Python’s __reduce__ and __reduce_ex__ methods?

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What is the purpose of Python’s __reduce__ and __reduce_ex__ methods?

Key points

  • __reduce__ and __reduce_ex__ methods define pickling behavior
  • They return a tuple of (callable, args) for object reconstruction
  • __reduce_ex__ supports version-specific serialization
  • These methods are crucial for object serialization in Python

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