range() — Advanced Playground

Generates an immutable sequence of integers

Python Playground

# range() - implementing the protocol
class Custom:
    def __range__(self):
        return "custom result"

obj = Custom()
print(range(obj))

Output

Click "Run" to execute your code

Understanding the dunder methods that range() calls helps you customize behavior for your own classes.

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