






'''simple docstring'''







def  lowerCAmelCase__		(					a_  :     Union[str, Any]			,						a_  :     Any			)   -> Union[str, Any]:
       sequence.append(a_			)

       UpperCAmelCase__	:   Dict												=	0
       while sequence[index] != target:
              index += 1

       sequence.pop()

       if index == len(a_			):
              return None

       return index


if __name__ == "__main__":
  UpperCamelCase_					=				input("Enter numbers separated by comma:\n").strip()
  UpperCamelCase_					=				[int(item) for item in user_input.split(",")]

  UpperCamelCase_					=				input("Enter a single number to be found in the list:\n")
  UpperCamelCase_					=				int(target_input)
  UpperCamelCase_					=				sentinel_linear_search(sequence, target)
  if result is not None:
    print(f'{target} found at positions: {result}')
  else:
    print("Not found")







'''simple docstring'''







import re






def  lowerCAmelCase__		(					a_  :     Optional[int]			)   -> Optional[Any]:
       def docstring_decorator(a_  :     Dict			):
              UpperCAmelCase__	:   Optional[int]												=	fn.__doc__
              UpperCAmelCase__	:   Dict												=	func_doc.split('''\n'''			)
              UpperCAmelCase__	:   Any												=	0
              while i < len(a_			) and re.search(r'''^\s*Examples?:\s*$'''			,						lines[i]			) is None:
                     i += 1
              if i < len(a_			):
                     UpperCAmelCase__	:   List[Any]												=	example_docstring
                     UpperCAmelCase__	:   int												=	'''\n'''.join(a_			)
              else:
                     raise ValueError(
                         f"""The function {fn} should have an empty 'Examples:' in its docstring as placeholder, """
                         f"""current docstring is:\n{func_doc}"""			)
              UpperCAmelCase__	:   Any												=	func_doc
              return fn

       return docstring_decorator