


from typing import Optional, Union

import torch
from torch import nn

from ...configuration_utils import ConfigMixin, register_to_config
from ...models.modeling_utils import ModelMixin



class 				A       (			UpperCAmelCase__					,    UpperCAmelCase__				):
					'''simple docstring'''






					@register_to_config
					def __init__(self       :		str ,   _UpperCAmelCase       :		int = 768 ,   )		->  List[str]:




							"""simple docstring"""


							super().__init__()

							lowercase__	     =						nn.Parameter(torch.zeros(1 ,   _UpperCAmelCase						)						)
							lowercase__	     =						nn.Parameter(torch.ones(1 ,   _UpperCAmelCase						)						)

					def     lowerCamelCase__	(self       :		List[Any] ,   _UpperCAmelCase       :		Optional[Union[str, torch.device]] = None ,   _UpperCAmelCase       :		Optional[torch.dtype] = None ,   )		->  int:




							"""simple docstring"""


							lowercase__	     =						nn.Parameter(self.mean.to(_UpperCAmelCase						).to(_UpperCAmelCase						)						)
							lowercase__	     =						nn.Parameter(self.std.to(_UpperCAmelCase						).to(_UpperCAmelCase						)						)
							return self

					def     lowerCamelCase__	(self       :		Optional[int] ,   _UpperCAmelCase       :		Dict						)		->  Union[str, Any]:




							"""simple docstring"""


							lowercase__	     =						(embeds - self.mean) * 1.0 / self.std
							return embeds


					def     lowerCamelCase__	(self       :		Dict ,   _UpperCAmelCase       :		Tuple						)		->  List[str]:




							"""simple docstring"""


							lowercase__	     =						(embeds * self.std) + self.mean
							return embeds



'''simple docstring'''
from typing import Any







class   a_ :




			def __init__(       self					,   UpperCAmelCase	):
				a_      				=						data
				a_      				=						None







class   a_ :




			def __init__(       self	):
				a_      				=						None




			def 					lowerCAmelCase__					(       self	):
				a_      				=						self.head
				while temp is not None:
					print(temp.data					,   end=""" """	)
					a_      				=						temp.next
				print()




			def 					lowerCAmelCase__					(       self					,   UpperCAmelCase	):
				a_      				=						Node(UpperCAmelCase	)
				a_      				=						self.head
				a_      				=						new_node






			def 					lowerCAmelCase__					(       self					,   UpperCAmelCase					,   UpperCAmelCase	):
				if node_data_a == node_data_a:
					return
				else:
					a_      				=						self.head
					while node_a is not None and node_a.data != node_data_a:
						a_      				=						node_a.next

					a_      				=						self.head
					while node_a is not None and node_a.data != node_data_a:
						a_      				=						node_a.next

					if node_a is None or node_a is None:
						return

					a_				,  a_      				=						node_a.data, node_a.data


if __name__ == "__main__":
		lowercase__											=LinkedList()
		for i in range(5, 0, -1):
				ll.push(i)

		ll.print_list()

		ll.swap_nodes(1, 4)
		print('After swapping')
		ll.print_list()
