




"""simple docstring"""

from __future__ import annotations

from typing import Generic, TypeVar

__lowerCamelCase								=						TypeVar("T")



class  _snake_case				(							Generic[T]       ):

				'''simple docstring'''




				def __init__(							self      :  List[Any]					,							snake_case      :  T     ):
								UpperCAmelCase_					:Any      			=      data  # Assign data
								UpperCAmelCase_					:Node[T] | None      			=      None  # Initialize next as null
								UpperCAmelCase_					:Node[T] | None      			=      None  # Initialize prev as null



class  _snake_case				(							Generic[T]       ):

				'''simple docstring'''




				def __init__(							self      :  int     ):
								UpperCAmelCase_					:Node[T] | None      			=      None





				def 				snake_case_ (							self      :  Union[str, Any]					,							snake_case      :  T     ):
								if self.head is None:
												UpperCAmelCase_					:Tuple      			=      Node(snake_case     )
								else:
												UpperCAmelCase_					:Dict      			=      Node(snake_case     )
												UpperCAmelCase_					:List[str]      			=      new_node
												UpperCAmelCase_					:Tuple      			=      self.head
												UpperCAmelCase_					:Tuple      			=      None
												UpperCAmelCase_					:Union[str, Any]      			=      new_node





				def 				snake_case_ (							self      :  Any     ):
								if self.head is None:
												return None
								else:
												assert self.head is not None
												UpperCAmelCase_					:List[Any]      			=      self.head.data
												UpperCAmelCase_					:Any      			=      self.head.next
												if self.head is not None:
																UpperCAmelCase_					:Union[str, Any]      			=      None
												return temp





				def 				snake_case_ (							self      :  int     ):
								return self.head.data if self.head is not None else None





				def __len__(							self      :  Any     ):
								UpperCAmelCase_					:Optional[int]      			=      self.head
								UpperCAmelCase_					:Dict      			=      0
								while temp is not None:
												count += 1
												UpperCAmelCase_					:Union[str, Any]      			=      temp.next
								return count





				def 				snake_case_ (							self      :  Optional[int]     ):
								return self.head is None





				def 				snake_case_ (							self      :  Tuple     ):
								print('''stack elements are:'''     )
								UpperCAmelCase_					:List[Any]      			=      self.head
								while temp is not None:
												print(temp.data					,							end='''->'''     )
												UpperCAmelCase_					:Optional[int]      			=      temp.next


# Code execution starts here
if __name__ == "__main__":
						# Start with the empty stack
						__lowerCamelCase								=						Stack()

						# Insert 4 at the beginning. So stack becomes 4->None
						print("Stack operations using Doubly LinkedList")
						stack.push(4)

						# Insert 5 at the beginning. So stack becomes 4->5->None
						stack.push(5)

						# Insert 6 at the beginning. So stack becomes 4->5->6->None
						stack.push(6)

						# Insert 7 at the beginning. So stack becomes 4->5->6->7->None
						stack.push(7)

						# Print the stack
						stack.print_stack()

						# Print the top element
						print("\nTop element is ", stack.top())

						# Print the stack size
						print("Size of the stack is ", len(stack))

						# pop the top element
						stack.pop()

						# pop the top element
						stack.pop()

						# two elements have now been popped off
						stack.print_stack()

						# Print True if the stack is empty else False
						print("\nstack is empty:", stack.is_empty())












"""simple docstring"""

from collections import OrderedDict
from typing import Mapping

from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig
from ...utils import logging


__lowerCamelCase								=						logging.get_logger(__name__)

__lowerCamelCase								=						{
    "mnaylor/mega-base-wikitext": "https://huggingface.co/mnaylor/mega-base-wikitext/resolve/main/config.json",
}



class  _snake_case				(							A__       ):

				'''simple docstring'''




				UpperCamelCase__		     ="""mega"""





				def __init__(							self      :  Optional[int]					,							snake_case      :  Union[str, Any]=30_522					,							snake_case      :  Optional[Any]=128					,							snake_case      :  str=4					,							snake_case      :  Dict=256					,							snake_case      :  Optional[Any]=16					,							snake_case      :  Any=True					,							snake_case      :  str=64					,							snake_case      :  Optional[Any]=False					,							snake_case      :  Union[str, Any]=-1					,							snake_case      :  List[str]=None					,							snake_case      :  Any=True					,							snake_case      :  Optional[int]="scalenorm"					,							snake_case      :  Tuple=True					,							snake_case      :  str="silu"					,							snake_case      :  Dict="softmax"					,							snake_case      :  Optional[int]=0.1					,							snake_case      :  Tuple=0.1					,							snake_case      :  Dict=0.1					,							snake_case      :  List[str]=False					,							snake_case      :  Any=True					,							snake_case      :  List[Any]=256					,							snake_case      :  Optional[Any]=True					,							snake_case      :  Optional[int]=0.1					,							snake_case      :  str=2_048					,							snake_case      :  Union[str, Any]=False					,							snake_case      :  List[Any]=2					,							snake_case      :  str=0.02					,							snake_case      :  str=0.2					,							snake_case      :  str=0.02					,							snake_case      :  Union[str, Any]=1.0					,							snake_case      :  Optional[Any]=1					,							snake_case      :  List[Any]=0					,							snake_case      :  List[Any]=2					,							snake_case      :  List[Any]="rotary"					,							snake_case      :  Tuple=None					,							snake_case      :  int=True					,							snake_case      :  Dict=True					,							**snake_case      :  List[str]					,							):
								super().__init__(pad_token_id=snake_case					,							bos_token_id=snake_case					,							eos_token_id=snake_case					,							**snake_case     )

								UpperCAmelCase_					:List[Any]      			=      vocab_size
								UpperCAmelCase_					:Union[str, Any]      			=      hidden_size
								UpperCAmelCase_					:str      			=      num_hidden_layers
								UpperCAmelCase_					:List[Any]      			=      activation
								UpperCAmelCase_					:int      			=      attention_activation
								UpperCAmelCase_					:Tuple      			=      intermediate_size
								UpperCAmelCase_					:Optional[Any]      			=      ema_projection_size
								UpperCAmelCase_					:Optional[int]      			=      bidirectional
								UpperCAmelCase_					:Optional[int]      			=      shared_representation_size
								UpperCAmelCase_					:Optional[Any]      			=      use_chunking
								UpperCAmelCase_					:List[str]      			=      chunk_size
								UpperCAmelCase_					:Optional[Any]      			=      truncation
								UpperCAmelCase_					:List[str]      			=      normalize_before_mega
								UpperCAmelCase_					:List[Any]      			=      normalization_type
								UpperCAmelCase_					:Tuple      			=      norm_affine
								UpperCAmelCase_					:Union[str, Any]      			=      dropout_prob
								UpperCAmelCase_					:Tuple      			=      hidden_dropout_prob
								UpperCAmelCase_					:List[Any]      			=      attention_probs_dropout_prob
								UpperCAmelCase_					:str      			=      use_feature_dropout
								UpperCAmelCase_					:List[Any]      			=      use_normalized_ffn
								UpperCAmelCase_					:Any      			=      nffn_hidden_size
								UpperCAmelCase_					:List[Any]      			=      normalize_before_ffn
								UpperCAmelCase_					:Optional[int]      			=      nffn_activation_dropout_prob
								UpperCAmelCase_					:str      			=      max_positions
								UpperCAmelCase_					:int      			=      add_token_type_embeddings
								UpperCAmelCase_					:List[Any]      			=      type_vocab_size
								UpperCAmelCase_					:List[str]      			=      initializer_range
								UpperCAmelCase_					:int      			=      ema_delta_alpha_range
								UpperCAmelCase_					:Optional[int]      			=      ema_beta_range
								UpperCAmelCase_					:int      			=      ema_gamma_omega_range
								UpperCAmelCase_					:int      			=      relative_positional_bias
								UpperCAmelCase_					:List[Any]      			=      use_cache
								UpperCAmelCase_					:Optional[Any]      			=      classifier_dropout
								UpperCAmelCase_					:Optional[Any]      			=      add_lm_hidden_dense_layer
								UpperCAmelCase_					:str      			=      1  # not used but required by Hugging Face



class  _snake_case				(							A__       ):

				'''simple docstring'''




				@property
				def 				snake_case_ (							self      :  int     ):
								if self.task == "multiple-choice":
												UpperCAmelCase_					:List[str]      			=      {0: '''batch''', 1: '''choice''', 2: '''sequence'''}
								else:
												UpperCAmelCase_					:Tuple      			=      {0: '''batch''', 1: '''sequence'''}
								return OrderedDict(
								    [
								        ('''input_ids''', dynamic_axis),
								        ('''attention_mask''', dynamic_axis),
								    ]     )


