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 .
Python 3, 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.
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 .
Python 3, 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.