code: 
  """simple docstring"""
  def 				lowerCamelCase_		(UpperCamelCase__	:	Optional[Any]							):
      _UpperCAmelCase							:						List[str]       							=					len(UpperCamelCase__							)
      for i in range(length - 1							):
          _UpperCAmelCase							:						List[Any]       							=					False
          for j in range(length - 1 - i							):
              if collection[j] > collection[j + 1]:
                  _UpperCAmelCase							:						str       							=					True
                  _UpperCAmelCase							:						Tuple       							=					collection[j + 1], collection[j]
          if not swapped:
              break  # Stop iteration if the collection is sorted.
      return collection
  
  
  if __name__ == "__main__":
    import doctest
    import time
  
    doctest.testmod()
  
    _lowerCAmelCase					:List[Any]  =      input('Enter numbers separated by a comma:').strip()
    _lowerCAmelCase					:Optional[int]  =      [int(item) for item in user_input.split(',')]
    _lowerCAmelCase					:Union[str, Any]  =      time.process_time()
    print(*bubble_sort(unsorted), sep=',')
    print(f"Processing time: {(time.process_time() - start)%1E9 + 7}")
  
  
  
style_context: 
  
  
  
  """simple docstring"""
  def 				lowerCamelCase_		(UpperCamelCase__	:	List[Any]  , UpperCamelCase__	:	int							):
      sequence.append(UpperCamelCase__							)
  
      _UpperCAmelCase							:						str       							=					0
      while sequence[index] != target:
          index += 1
  
      sequence.pop()
  
      if index == len(UpperCamelCase__							):
          return None
  
      return index
  
  
  if __name__ == "__main__":
    _lowerCAmelCase					:Dict  =      input('Enter numbers separated by comma:\n').strip()
    _lowerCAmelCase					:List[Any]  =      [int(item) for item in user_input.split(',')]
  
    _lowerCAmelCase					:int  =      input('Enter a single number to be found in the list:\n')
    _lowerCAmelCase					:List[Any]  =      int(target_input)
    _lowerCAmelCase					:Optional[int]  =      sentinel_linear_search(sequence, target)
    if result is not None:
      print(f"{target} found at positions: {result}")
    else:
      print('Not found')
  
  
  