





"""simple docstring"""




from multiprocessing import Lock, Pipe, Process

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






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       Tuple       ,			_lowercase		:       str       ,			_lowercase		:       Tuple       ,			_lowercase		:       Optional[Any]       ,			_lowercase		:       Optional[Any]       ,			_lowercase		:       Union[str, Any]       ,			_lowercase		:       Union[str, Any]   )					->List[str]:






	'''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(_lowercase   )
			process_lock.release()

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

			# take the lower value since you are on the left
			a :						Tuple      =							min(_lowercase       ,			_lowercase   )
		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(_lowercase   )
			process_lock.release()

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

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






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       Union[str, Any]   )					->Optional[Any]:






	'''simple docstring'''






	a :						Union[str, Any]      =							[]
	a :						List[Any]      =							[]
	# 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
	a :						int      =							Pipe()
	a :						Optional[int]      =							Pipe()
	process_array_.append(
	    Process(
	        target=_lowercase       ,			args=(0, arr[0], None, temp_rs, None, temp_rr, result_pipe[0])       ,			)   )
	a :						Dict      =							temp_rs
	a :						str      =							temp_rr

	for i in range(1       ,			len(_lowercase   ) - 1   ):
		a :						List[Any]      =							Pipe()
		a :						str      =							Pipe()
		process_array_.append(
		    Process(
		        target=_lowercase       ,			args=(i, arr[i], temp_ls, temp_rs, temp_lr, temp_rr, result_pipe[i])       ,			)   )
		a :						str      =							temp_rs
		a :						str      =							temp_rr

	process_array_.append(
	    Process(
	        target=_lowercase       ,			args=(
	            len(_lowercase   ) - 1,
	            arr[len(_lowercase   ) - 1],
	            temp_ls,
	            None,
	            temp_lr,
	            None,
	            result_pipe[len(_lowercase   ) - 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(_lowercase   )   ):
		a :						Optional[int]      =							result_pipe[p][0].recv()
		process_array_[p].join()
	return arr






def  _SCREAMING_SNAKE_CASE						(      )					->Union[str, Any]:






	'''simple docstring'''






	a :						str      =							list(range(10       ,			0       ,			-1   )   )
	print("Initial List"   )
	print(*_lowercase   )
	a :						Tuple      =							odd_even_transposition(_lowercase   )
	print("Sorted List\n"   )
	print(*_lowercase   )


if __name__ == "__main__":
		main()









"""simple docstring"""




def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       list[int]   )					->float:






	'''simple docstring'''






	if not nums:  # Makes sure that the list is not empty
		raise ValueError("List is empty"   )

	a :						Dict      =							sum(_lowercase   ) / len(_lowercase   )  # Calculate the average
	return sum(abs(x - average   ) for x in nums   ) / len(_lowercase   )


if __name__ == "__main__":
		import doctest

		doctest.testmod()


