

def  lowercase    (				SCREAMING_SNAKE_CASE__    :		int			,    SCREAMING_SNAKE_CASE__    :		Optional[int]			)					->       int:
 sequence.append(SCREAMING_SNAKE_CASE__			)

 _snake_case      :					Union[str, Any]					=   0
 while sequence[index] != target:
  index += 1

 sequence.pop()

 if index == len(SCREAMING_SNAKE_CASE__			):
  return None

 return index


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

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





def  lowercase    (				SCREAMING_SNAKE_CASE__    :		Any			)					->       Optional[int]:
 _snake_case      :					Any					=   [701, 301, 132, 57, 23, 10, 4, 1]
 for gap in gaps:
  for i in range(SCREAMING_SNAKE_CASE__			,    len(SCREAMING_SNAKE_CASE__			)			):
   _snake_case      :					List[Any]					=   collection[i]
   _snake_case      :					List[str]					=   i
   while j >= gap and collection[j - gap] > insert_value:
    _snake_case      :					int					=   collection[j - gap]
    j -= gap
   if j != i:
    _snake_case      :					Tuple					=   insert_value
 return collection


if __name__ == "__main__":
  from doctest import testmod

  testmod()
  a__      =		input("""Enter numbers separated by a comma:\n""").strip()
  a__      =		[int(item) for item in user_input.split(""",""")]
  print(shell_sort(unsorted))
