Web Reference: 2 days ago · Learn how to create and use weak references to objects in Python, which can be garbage collected when no longer needed. See examples of weakref.ref, weakref.proxy, WeakKeyDictionary, WeakValueDictionary, and finalize functions. Jul 12, 2025 · If an object is referenced by another object, then its counter is set to a non-zero number and the object can't be garbage collected. If the counter reaches zero, the garbage collector will free that object. Below is a short example of how can we find the reference count of any object in python. The Python weakref module provides tools for creating weak references to objects for efficient memory management. With weak references, you can cache objects, track their lifecycle, and automatically clean up resources—all without worrying about memory leaks.
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