Answer:
def weird (inp):
  """This function always returns 42"""
  return 42
Explanation:
As specified in the question, this function even though it receives one parameter in this case inp It will always return the value 42.
The docstring is added to the code.
A docstring is a way of adding documentation which describes what a function, class or module does. It appears as the first line in the function's body with tripple quotes.
