
from ...configuration_utils import PretrainedConfig







class        lowerCAmelCase__      (   __lowercase	):
						UpperCamelCase_							: Optional[int]	=		"bert-generation"

						def __init__(			self       ,							a=5_03_58       ,							a=10_24       ,							a=24       ,							a=16       ,							a=40_96       ,							a="gelu"       ,							a=0.1       ,							a=0.1       ,							a=5_12       ,							a=0.02       ,							a=1e-12       ,							a=0       ,							a=2       ,							a=1       ,							a="absolute"       ,							a=True       ,							**a       ,							)					->      Optional[int]:


								'''simple docstring'''

								super().__init__(pad_token_id=a       ,							bos_token_id=a       ,							eos_token_id=a       ,							**a				)

								_UpperCamelCase						    =	vocab_size
								_UpperCamelCase						    =	hidden_size
								_UpperCamelCase						    =	num_hidden_layers
								_UpperCamelCase						    =	num_attention_heads
								_UpperCamelCase						    =	hidden_act
								_UpperCamelCase						    =	intermediate_size
								_UpperCamelCase						    =	hidden_dropout_prob
								_UpperCamelCase						    =	attention_probs_dropout_prob
								_UpperCamelCase						    =	max_position_embeddings
								_UpperCamelCase						    =	initializer_range
								_UpperCamelCase						    =	layer_norm_eps
								_UpperCamelCase						    =	position_embedding_type
								_UpperCamelCase						    =	use_cache





def 							__A(lowerCAmelCase )		->				list[list[int]]:

		"""simple docstring"""






		_UpperCamelCase						    =	[]
		if len(lowerCAmelCase ) == 1:
				return [nums.copy()]
		for _ in range(len(lowerCAmelCase ) ):
				_UpperCamelCase						    =	nums.pop(0 )
				_UpperCamelCase						    =	permute(lowerCAmelCase )
				for perm in permutations:
						perm.append(lowerCAmelCase )
				result.extend(lowerCAmelCase )
				nums.append(lowerCAmelCase )
		return result


def 							__A(lowerCAmelCase )		->				Optional[int]:

		"""simple docstring"""






		def backtrack(lowerCAmelCase ):
				if start == len(lowerCAmelCase ) - 1:
						output.append(nums[:] )
				else:
						for i in range(lowerCAmelCase						,  len(lowerCAmelCase ) ):
								_UpperCamelCase    ,	_UpperCamelCase						    =	nums[i], nums[start]
								backtrack(start + 1 )
								_UpperCamelCase    ,	_UpperCamelCase						    =	nums[i], nums[start]  # backtrack

		_UpperCamelCase						    =	[]
		backtrack(0 )
		return output


if __name__ == "__main__":
		import doctest

		# use res to print the data in permute2 function
		lowerCamelCase__	=							permutea([1, 2, 3])
		print(res)
		doctest.testmod()



