

"""simple docstring"""





def     __SCREAMING_SNAKE_CASE    ( A_		,	A_					):
	lowerCAmelCase__      :		str    							=      ''''''
	for i in table:
		res += inp[i - 1]
	return res

def     __SCREAMING_SNAKE_CASE    ( A_					):
	return data[1:] + data[0]

def     __SCREAMING_SNAKE_CASE    ( A_		,	A_					):
	lowerCAmelCase__      :		int    							=      ''''''
	for i in range(len(A_					)					):
		if a[i] == b[i]:
			res += "0"
		else:
			res += "1"
	return res

def     __SCREAMING_SNAKE_CASE    ( A_		,	A_					):
	lowerCAmelCase__      :		Tuple    							=      int('''0b''' + data[0] + data[-1]		,	2					)
	lowerCAmelCase__      :		List[str]    							=      int('''0b''' + data[1:3]		,	2					)
	return bin(s[row][col]					)[2:]

def     __SCREAMING_SNAKE_CASE    ( A_		,	A_		,	A_		,	A_		,	A_					):
	lowerCAmelCase__      :		Union[str, Any]    							=      message[:4]
	lowerCAmelCase__      :		int    							=      message[4:]
	lowerCAmelCase__      :		int    							=      apply_table(A_		,	A_					)
	lowerCAmelCase__      :		Any    							=      xor(A_		,	A_					)
	lowerCAmelCase__      :		Union[str, Any]    							=      apply_sbox(A_		,	temp[:4]					)  # noqa: E741
	lowerCAmelCase__      :		int    							=      apply_sbox(A_		,	temp[4:]					)
	lowerCAmelCase__      :		int    							=      '''0''' * (2 - len(A_					)) + l  # noqa: E741
	lowerCAmelCase__      :		Dict    							=      '''0''' * (2 - len(A_					)) + r
	lowerCAmelCase__      :		List[str]    							=      apply_table(l + r		,	A_					)
	lowerCAmelCase__      :		str    							=      xor(A_		,	A_					)
	return temp + right


if __name__ == "__main__":
							__UpperCamelCase    : List[Any]				 =						input('''Enter 10 bit key: ''')
							__UpperCamelCase    : str				 =						input('''Enter 8 bit message: ''')

							__UpperCamelCase    : int				 =						[6, 3, 7, 4, 8, 5, 1_0, 9]
							__UpperCamelCase    : Tuple				 =						[3, 5, 2, 7, 4, 1_0, 1, 9, 8, 6]
							__UpperCamelCase    : Optional[int]				 =						[2, 4, 3, 1]
							__UpperCamelCase    : Union[str, Any]				 =						[2, 6, 3, 1, 4, 8, 5, 7]
							__UpperCamelCase    : str				 =						[4, 1, 3, 5, 7, 2, 8, 6]
							__UpperCamelCase    : str				 =						[4, 1, 2, 3, 2, 3, 4, 1]
							__UpperCamelCase    : List[str]				 =						[[1, 0, 3, 2], [3, 2, 1, 0], [0, 2, 1, 3], [3, 1, 3, 2]]
							__UpperCamelCase    : Optional[Any]				 =						[[0, 1, 2, 3], [2, 0, 1, 3], [3, 0, 1, 0], [2, 1, 0, 3]]

							# key generation
							__UpperCamelCase    : int				 =						apply_table(key, paa_table)
							__UpperCamelCase    : Union[str, Any]				 =						temp[:5]
							__UpperCamelCase    : Optional[int]				 =						temp[5:]
							__UpperCamelCase    : Union[str, Any]				 =						left_shift(left)
							__UpperCamelCase    : Tuple				 =						left_shift(right)
							__UpperCamelCase    : str				 =						apply_table(left + right, pa_table)
							__UpperCamelCase    : int				 =						left_shift(left)
							__UpperCamelCase    : Dict				 =						left_shift(right)
							__UpperCamelCase    : Tuple				 =						left_shift(left)
							__UpperCamelCase    : Dict				 =						left_shift(right)
							__UpperCamelCase    : Any				 =						apply_table(left + right, pa_table)

							# encryption
							__UpperCamelCase    : Dict				 =						apply_table(message, IP)
							__UpperCamelCase    : Optional[int]				 =						function(expansion, sa, sa, keya, temp)
							__UpperCamelCase    : Any				 =						temp[4:] + temp[:4]
							__UpperCamelCase    : List[Any]				 =						function(expansion, sa, sa, keya, temp)
							__UpperCamelCase    : Dict				 =						apply_table(temp, IP_inv)
							print('''Cipher text is:''', CT)

							# decryption
							__UpperCamelCase    : Tuple				 =						apply_table(CT, IP)
							__UpperCamelCase    : Tuple				 =						function(expansion, sa, sa, keya, temp)
							__UpperCamelCase    : Union[str, Any]				 =						temp[4:] + temp[:4]
							__UpperCamelCase    : Any				 =						function(expansion, sa, sa, keya, temp)
							__UpperCamelCase    : Union[str, Any]				 =						apply_table(temp, IP_inv)
							print('''Plain text after decypting is:''', PT)







"""simple docstring"""





import os
from argparse import ArgumentParser
from typing import List

import torch.utils.data

from datasets import Dataset, IterableDataset
from datasets.distributed import split_dataset_by_node


__UpperCamelCase    : str				 =						4
__UpperCamelCase    : List[str]				 =						3







class 							SCREAMING_SNAKE_CASE   (						a_			):






					"""simple docstring"""



					pass

def     __SCREAMING_SNAKE_CASE    ( A_					):
	for shard in shards:
		for i in range(A_					):
			yield {"i": i, "shard": shard}

def     __SCREAMING_SNAKE_CASE    ( ):
	lowerCAmelCase__      :		List[str]    							=      int(os.environ['''RANK''']					)
	lowerCAmelCase__      :		Union[str, Any]    							=      int(os.environ['''WORLD_SIZE''']					)

	lowerCAmelCase__      :		Tuple    							=      ArgumentParser()
	parser.add_argument('''--streaming'''		,	type=A_					)
	parser.add_argument('''--local_rank'''		,	type=A_					)
	parser.add_argument('''--num_workers'''		,	type=A_		,	default=0					)
	lowerCAmelCase__      :		Tuple    							=      parser.parse_args()
	lowerCAmelCase__      :		Tuple    							=      args.streaming
	lowerCAmelCase__      :		Any    							=      args.num_workers

	lowerCAmelCase__      :		Dict    							=      {'''shards''': [f'shard_{shard_idx}' for shard_idx in range(A_					)]}
	lowerCAmelCase__      :		Optional[int]    							=      IterableDataset.from_generator(A_		,	gen_kwargs=A_					)
	if not streaming:
		lowerCAmelCase__      :		Dict    							=      Dataset.from_list(list(A_					)					)

	lowerCAmelCase__      :		Optional[Any]    							=      split_dataset_by_node(A_		,	rank=A_		,	world_size=A_					)
	lowerCAmelCase__      :		List[Any]    							=      torch.utils.data.DataLoader(A_		,	num_workers=A_					)

	lowerCAmelCase__      :		Optional[int]    							=      NUM_SHARDS * NUM_ITEMS_PER_SHARD
	lowerCAmelCase__      :		List[str]    							=      full_size // world_size
	expected_local_size += int(rank < (full_size % world_size)					)

	lowerCAmelCase__      :		int    							=      sum(1 for _ in dataloader					)
	if local_size != expected_local_size:
		raise FailedTestError(f'local_size {local_size} != expected_local_size {expected_local_size}'					)


if __name__ == "__main__":
							main()




