weakref — Easy Playground

Weak references that don't prevent garbage collection

Python Playground

import weakref

class BigObject:
    def __init__(self, name):
        self.name = name
    def __repr__(self):
        return f"BigObject({self.name})"

obj = BigObject("test")
ref = weakref.ref(obj)
print(f"Object: {ref()}")

del obj
print(f"After delete: {ref()}")

Output

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The weakref module is part of Python's standard library. Weak references that don't prevent garbage collection.

Challenge

Try modifying the code above to explore different behaviors. Can you extend the example to handle a new use case?

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