setitem — Easy Playground

Enables item assignment with square brackets (obj[key] = value)

Python Playground

class SafeList:
    def __init__(self):
        self._data = {}

    def __setitem__(self, key, value):
        self._data[key] = value
        print(f"Set [{key}] = {value}")

    def __getitem__(self, key):
        return self._data[key]

sl = SafeList()
sl["name"] = "Python"
print(sl["name"])

Output

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__setitem__ enables item assignment with square brackets (obj[key] = value). Implementing it lets you customize how Python interacts with your objects.

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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__setitem__ — Easy Playground

Challenge

setitem — Easy Playground