input() — Advanced Examples

Reads a line of text from the user via the console

input() protocol implementation

Implementing the protocol that input() uses under the hood.

python

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

obj = Custom()
print(input(obj))

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

Handling unusual inputs and edge cases.

python

# input() edge cases
print("Edge case handling for input()")

# Type checking
print(type(42))

Knowing these edge cases prevents subtle bugs in production.

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