
'''simple docstring'''





def        snake_case							(		UpperCAmelCase      ,  UpperCAmelCase	)->			int:







      """simple docstring"""
      sequence.append(UpperCAmelCase	)

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

      sequence.pop()

      if index == len(UpperCAmelCase	):
            return None

      return index


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

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








'''simple docstring'''





def        snake_case							(		UpperCAmelCase	)->			int:







      """simple docstring"""
      return int(UpperCAmelCase	) if x - int(UpperCAmelCase	) <= 0 else int(UpperCAmelCase	) + 1


if __name__ == "__main__":
 import doctest

 doctest.testmod()






