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edited Jun 28, 2025 at 15:01

Python 3 Python, 17 bytes

'\.count\''.count

An unnamed function that accepts a character and returns 1 (truthy) if present in its source code or 0 (falsey) if not.

Try it online! (Python 3) Or Try in Python 2 Or Try in Python 1.

'\.count\''.count

An unnamed function that accepts a character and returns 1 (truthy) if present in its source code or 0 (falsey) if not.

'\.count\''.count

An unnamed function that accepts a character and returns 1 (truthy) if present in its source code or 0 (falsey) if not.

Try it online! (Python 3) Or Try in Python 2 Or Try in Python 1.

Source Link

answered Jun 28, 2025 at 14:48

Jonathan Allan

'\.count\''.count

An unnamed function that accepts a character and returns 1 (truthy) if present in its source code or 0 (falsey) if not.