





"""simple docstring"""





from multiprocessing import Lock, Pipe, Process

# lock used to ensure that two processes do not access a pipe at the same time
SCREAMING_SNAKE_CASE__					=   Lock()


def 			UpperCAmelCase__							(  SCREAMING_SNAKE_CASE     :						List[str]							,						SCREAMING_SNAKE_CASE     :						Union[str, Any]							,						SCREAMING_SNAKE_CASE     :						List[str]							,						SCREAMING_SNAKE_CASE     :						Dict							,						SCREAMING_SNAKE_CASE     :						Union[str, Any]							,						SCREAMING_SNAKE_CASE     :						int							,						SCREAMING_SNAKE_CASE     :						Optional[Any]			):







      '''simple docstring'''




      global process_lock

      # we perform n swaps since after n swaps we know we are sorted
      # we *could* stop early if we are sorted already, but it takes as long to
      # find out we are sorted as it does to sort the list with this algorithm
      for i in range(0							,						10			):
            if (i + position) % 2 == 0 and r_send is not None:
                  # send your value to your right neighbor
                  process_lock.acquire()
                  r_send[1].send(_SCREAMING_SNAKE_CASE			)
                  process_lock.release()

                  # receive your right neighbor's value
                  process_lock.acquire()
                  lowerCAmelCase  						=       rr_cv[0].recv()
                  process_lock.release()

                  # take the lower value since you are on the left
                  lowerCAmelCase  						=       min(_SCREAMING_SNAKE_CASE							,						_SCREAMING_SNAKE_CASE			)
            elif (i + position) % 2 != 0 and l_send is not None:
                  # send your value to your left neighbor
                  process_lock.acquire()
                  l_send[1].send(_SCREAMING_SNAKE_CASE			)
                  process_lock.release()

                  # receive your left neighbor's value
                  process_lock.acquire()
                  lowerCAmelCase  						=       lr_cv[0].recv()
                  process_lock.release()

                  # take the higher value since you are on the right
                  lowerCAmelCase  						=       max(_SCREAMING_SNAKE_CASE							,						_SCREAMING_SNAKE_CASE			)
            # after all swaps are performed, send the values back to main
      result_pipe[1].send(_SCREAMING_SNAKE_CASE			)


def 			UpperCAmelCase__							(  SCREAMING_SNAKE_CASE     :						Dict			):







      '''simple docstring'''




      lowerCAmelCase  						=       []
      lowerCAmelCase  						=       []
      # initialize the list of pipes where the values will be retrieved
      for _ in arr:
            result_pipe.append(Pipe()			)
      # creates the processes
      # the first and last process only have one neighbor so they are made outside
      # of the loop
      lowerCAmelCase  						=       Pipe()
      lowerCAmelCase  						=       Pipe()
      process_array_.append(
          Process(
              target=_SCREAMING_SNAKE_CASE							,						args=(0, arr[0], None, temp_rs, None, temp_rr, result_pipe[0])							,						)			)
      lowerCAmelCase  						=       temp_rs
      lowerCAmelCase  						=       temp_rr

      for i in range(1							,						len(_SCREAMING_SNAKE_CASE			) - 1			):
            lowerCAmelCase  						=       Pipe()
            lowerCAmelCase  						=       Pipe()
            process_array_.append(
                Process(
                    target=_SCREAMING_SNAKE_CASE							,						args=(i, arr[i], temp_ls, temp_rs, temp_lr, temp_rr, result_pipe[i])							,						)			)
            lowerCAmelCase  						=       temp_rs
            lowerCAmelCase  						=       temp_rr

      process_array_.append(
          Process(
              target=_SCREAMING_SNAKE_CASE							,						args=(
                  len(_SCREAMING_SNAKE_CASE			) - 1,
                  arr[len(_SCREAMING_SNAKE_CASE			) - 1],
                  temp_ls,
                  None,
                  temp_lr,
                  None,
                  result_pipe[len(_SCREAMING_SNAKE_CASE			) - 1],
              )							,						)			)

      # start the processes
      for p in process_array_:
            p.start()

      # wait for the processes to end and write their values to the list
      for p in range(0							,						len(_SCREAMING_SNAKE_CASE			)			):
            lowerCAmelCase  						=       result_pipe[p][0].recv()
            process_array_[p].join()
      return arr


def 			UpperCAmelCase__							(  ):







      '''simple docstring'''




      lowerCAmelCase  						=       list(range(10							,						0							,						-1			)			)
      print("""Initial List"""			)
      print(*_SCREAMING_SNAKE_CASE			)
      lowerCAmelCase  						=       odd_even_transposition(_SCREAMING_SNAKE_CASE			)
      print("""Sorted List\n"""			)
      print(*_SCREAMING_SNAKE_CASE			)


if __name__ == "__main__":
       main()













"""simple docstring"""





def  __A   (_SCREAMING_SNAKE_CASE     ,   _SCREAMING_SNAKE_CASE			)					->bool:





  """simple docstring"""


  return numa ^ numa < 0


if __name__ == "__main__":
  import doctest

  doctest.testmod()
