missing — Easy Playground

Called by dict subclasses when a key is not found

Python Playground

class Example:
    def __missing__(self):
        return "Example __missing__"

obj = Example()
print(obj)

Output

Click "Run" to execute your code

__missing__ called by dict subclasses when a key is not found. Implementing it lets you customize how Python interacts with your objects.

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

__missing__ — Easy Playground