

'''simple docstring'''



from typing import Any



class lowerCamelCase :



			'''simple docstring'''






			def __init__(      self       :						Union[str, Any]		,			lowerCAmelCase_       :						Optional[Any] )			->		Any:





									'''simple docstring'''
									A__     :   Tuple      =data
									A__     :   List[str]      =None



			def __repr__(      self       :						int )			->		Tuple:





									'''simple docstring'''
									return f"Node({self.data})"



class lowerCamelCase :



			'''simple docstring'''






			def __init__(      self       :						List[Any] )			->		str:





									'''simple docstring'''
									A__     :   List[str]      =None


			def __iter__(      self       :						Tuple )			->		Dict:





									'''simple docstring'''
									A__     :   Any      =self.head
									while node:
															yield node.data
															A__     :   Tuple      =node.next


			def __len__(      self       :						Optional[int] )			->		Any:





									'''simple docstring'''
									return sum(1 for _ in self )


			def __repr__(      self       :						int )			->		Optional[int]:





									'''simple docstring'''
									return "->".join([str(lowerCAmelCase_ ) for item in self] )


			def __getitem__(      self       :						Tuple		,			lowerCAmelCase_       :						Union[str, Any] )			->		Optional[int]:





									'''simple docstring'''
									if not 0 <= index < len(self ):
															raise ValueError("""list index out of range.""" )
									for i, node in enumerate(self ):
															if i == index:
																					return node
									return None


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





									'''simple docstring'''
									if not 0 <= index < len(self ):
															raise ValueError("""list index out of range.""" )
									A__     :   str      =self.head
									for _ in range(lowerCAmelCase_ ):
															A__     :   Optional[int]      =current.next
									A__     :   Union[str, Any]      =data


			def lowercase__						(      self       :						str		,			lowerCAmelCase_       :						Optional[int] )			->		Any:





									'''simple docstring'''
									self.insert_nth(len(self )		,			lowerCAmelCase_ )


			def lowercase__						(      self       :						Tuple		,			lowerCAmelCase_       :						Optional[int] )			->		int:





									'''simple docstring'''
									self.insert_nth(0		,			lowerCAmelCase_ )


			def lowercase__						(      self       :						Optional[Any]		,			lowerCAmelCase_       :						Dict		,			lowerCAmelCase_       :						Optional[Any] )			->		Dict:





									'''simple docstring'''
									if not 0 <= index <= len(self ):
															raise IndexError("""list index out of range""" )
									A__     :   Dict      =Node(lowerCAmelCase_ )
									if self.head is None:
															A__     :   Any      =new_node
									elif index == 0:
															A__     :   Dict      =self.head  # link new_node to head
															A__     :   Tuple      =new_node
									else:
															A__     :   int      =self.head
															for _ in range(index - 1 ):
																					A__     :   List[Any]      =temp.next
															A__     :   List[Any]      =temp.next
															A__     :   Any      =new_node


			def lowercase__						(      self       :						Tuple )			->		Tuple:  # print every node data





									'''simple docstring'''
									print(self )


			def lowercase__						(      self       :						Optional[Any] )			->		int:





									'''simple docstring'''
									return self.delete_nth(0 )


			def lowercase__						(      self       :						Union[str, Any] )			->		List[str]:  # delete from tail





									'''simple docstring'''
									return self.delete_nth(len(self ) - 1 )


			def lowercase__						(      self       :						List[Any]		,			lowerCAmelCase_       :						List[Any] = 0 )			->		List[Any]:





									'''simple docstring'''
									if not 0 <= index <= len(self ) - 1:  # test if index is valid
															raise IndexError("""List index out of range.""" )
									A__     :   Dict      =self.head  # default first node
									if index == 0:
															A__     :   Dict      =self.head.next
									else:
															A__     :   str      =self.head
															for _ in range(index - 1 ):
																					A__     :   Optional[Any]      =temp.next
															A__     :   Optional[int]      =temp.next
															A__     :   Tuple      =temp.next.next
									return delete_node.data


			def lowercase__						(      self       :						Dict )			->		List[Any]:





									'''simple docstring'''
									return self.head is None



			def lowercase__						(      self       :						Optional[int] )			->		Union[str, Any]:





									'''simple docstring'''
									A__     :   List[Any]      =None
									A__     :   List[Any]      =self.head

									while current:
															# Store the current node's next node.
															A__     :   str      =current.next
															# Make the current node's next point backwards
															A__     :   Optional[Any]      =prev
															# Make the previous node be the current node
															A__     :   int      =current
															# Make the current node the next node (to progress iteration)
															A__     :   Optional[Any]      =next_node
									# Return prev in order to put the head at the end
									A__     :   Any      =prev


def 						__lowerCamelCase       (   )       ->							None:






						"""simple docstring"""





						A__     :   List[str]      =LinkedList()
						assert linked_list.is_empty() is True
						assert str(lowercase__       ) == ""

						try:
												linked_list.delete_head()
												raise AssertionError  # This should not happen.
						except IndexError:
												assert True  # This should happen.

						try:
												linked_list.delete_tail()
												raise AssertionError  # This should not happen.
						except IndexError:
												assert True  # This should happen.

						for i in range(10       ):
												assert len(lowercase__       ) == i
												linked_list.insert_nth(lowercase__,		i + 1       )
						assert str(lowercase__       ) == "->".join(str(lowercase__       ) for i in range(1,		11       )       )

						linked_list.insert_head(0       )
						linked_list.insert_tail(11       )
						assert str(lowercase__       ) == "->".join(str(lowercase__       ) for i in range(0,		12       )       )

						assert linked_list.delete_head() == 0
						assert linked_list.delete_nth(9       ) == 10
						assert linked_list.delete_tail() == 11
						assert len(lowercase__       ) == 9
						assert str(lowercase__       ) == "->".join(str(lowercase__       ) for i in range(1,		10       )       )

						assert all(linked_list[i] == i + 1 for i in range(0,		9       )       ) is True

						for i in range(0,		9       ):
												A__     :   Union[str, Any]      =-i
						assert all(linked_list[i] == -i for i in range(0,		9       )       ) is True

						linked_list.reverse()
						assert str(lowercase__       ) == "->".join(str(lowercase__       ) for i in range(-8,		1       )       )
def 						__lowerCamelCase       (   )       ->							None:






						"""simple docstring"""





						A__     :   int      =[
						    -9,
						    100,
						    Node(77_345_112       ),
						    """dlrow olleH""",
						    7,
						    5_555,
						    0,
						    -1_92.5_55_55,
						    """Hello, world!""",
						    77.9,
						    Node(10       ),
						    None,
						    None,
						    12.20,
						]
						A__     :   Any      =LinkedList()

						for i in test_input:
												linked_list.insert_tail(lowercase__       )

						# Check if it's empty or not
						assert linked_list.is_empty() is False
						assert (
						    str(lowercase__       ) == "-9->100->Node(77345112)->dlrow olleH->7->5555->0->"
						    "-192.55555->Hello, world!->77.9->Node(10)->None->None->12.2"
						)

						# Delete the head
						A__     :   int      =linked_list.delete_head()
						assert result == -9
						assert (
						    str(lowercase__       ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
						    "Hello, world!->77.9->Node(10)->None->None->12.2"
						)

						# Delete the tail
						A__     :   str      =linked_list.delete_tail()
						assert result == 12.2
						assert (
						    str(lowercase__       ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
						    "Hello, world!->77.9->Node(10)->None->None"
						)

						# Delete a node in specific location in linked list
						A__     :   List[str]      =linked_list.delete_nth(10       )
						assert result is None
						assert (
						    str(lowercase__       ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
						    "Hello, world!->77.9->Node(10)->None"
						)

						# Add a Node instance to its head
						linked_list.insert_head(Node("""Hello again, world!"""       )       )
						assert (
						    str(lowercase__       )
						    == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
						    "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None"
						)

						# Add None to its tail
						linked_list.insert_tail(lowercase__       )
						assert (
						    str(lowercase__       )
						    == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
						    "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None->None"
						)

						# Reverse the linked list
						linked_list.reverse()
						assert (
						    str(lowercase__       )
						    == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
						    "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
						)
def 						__lowerCamelCase       (   )       ->							List[str]:






						"""simple docstring"""





						from doctest import testmod

						testmod()

						A__     :   List[str]      =LinkedList()
						linked_list.insert_head(input("""Inserting 1st at head """       ).strip()       )
						linked_list.insert_head(input("""Inserting 2nd at head """       ).strip()       )
						print("""\nPrint list:"""       )
						linked_list.print_list()
						linked_list.insert_tail(input("""\nInserting 1st at tail """       ).strip()       )
						linked_list.insert_tail(input("""Inserting 2nd at tail """       ).strip()       )
						print("""\nPrint list:"""       )
						linked_list.print_list()
						print("""\nDelete head"""       )
						linked_list.delete_head()
						print("""Delete tail"""       )
						linked_list.delete_tail()
						print("""\nPrint list:"""       )
						linked_list.print_list()
						print("""\nReverse linked list"""       )
						linked_list.reverse()
						print("""\nPrint list:"""       )
						linked_list.print_list()
						print("""\nString representation of linked list:"""       )
						print(lowercase__       )
						print("""\nReading/changing Node data using indexing:"""       )
						print(f"Element at Position 1: {linked_list[1]}"       )
						A__     :   str      =input("""Enter New Value: """       ).strip()
						print("""New list:"""       )
						print(lowercase__       )
						print(f"length of linked_list is : {len(lowercase__       )}"       )


if __name__ == "__main__":
		main()





from dataclasses import dataclass
from typing import Optional, Tuple, Union

import torch
import torch.nn as nn

from ..configuration_utils import ConfigMixin, register_to_config
from ..utils import BaseOutput, apply_forward_hook
from .modeling_utils import ModelMixin
from .vae import Decoder, DecoderOutput, Encoder, VectorQuantizer





@dataclass
class       A    (   A_ ):
							UpperCamelCase_   :							torch.FloatTensor





class       A    (   A_					,				A_ ):


							@register_to_config
							def __init__(self      ,				lowerCAmelCase = 3      ,				lowerCAmelCase = 3      ,				lowerCAmelCase = ("DownEncoderBlock2D",)      ,				lowerCAmelCase = ("UpDecoderBlock2D",)      ,				lowerCAmelCase = (6_4,)      ,				lowerCAmelCase = 1      ,				lowerCAmelCase = "silu"      ,				lowerCAmelCase = 3      ,				lowerCAmelCase = 3_2      ,				lowerCAmelCase = 2_5_6      ,				lowerCAmelCase = 3_2      ,				lowerCAmelCase = None      ,				lowerCAmelCase = 0.1_82_15      ,				lowerCAmelCase = "group"      ,				):
									super().__init__()

									# pass init params to Encoder
									__lowercase=			Encoder(
									    in_channels=lowerCAmelCase      ,				out_channels=lowerCAmelCase      ,				down_block_types=lowerCAmelCase      ,				block_out_channels=lowerCAmelCase      ,				layers_per_block=lowerCAmelCase      ,				act_fn=lowerCAmelCase      ,				norm_num_groups=lowerCAmelCase      ,				double_z=lowerCAmelCase      ,				)

									__lowercase=			vq_embed_dim if vq_embed_dim is not None else latent_channels

									__lowercase=			nn.Convad(lowerCAmelCase      ,				lowerCAmelCase      ,				1					)
									__lowercase=			VectorQuantizer(lowerCAmelCase      ,				lowerCAmelCase      ,				beta=0.25      ,				remap=lowerCAmelCase      ,				sane_index_shape=lowerCAmelCase					)
									__lowercase=			nn.Convad(lowerCAmelCase      ,				lowerCAmelCase      ,				1					)

									# pass init params to Decoder
									__lowercase=			Decoder(
									    in_channels=lowerCAmelCase      ,				out_channels=lowerCAmelCase      ,				up_block_types=lowerCAmelCase      ,				block_out_channels=lowerCAmelCase      ,				layers_per_block=lowerCAmelCase      ,				act_fn=lowerCAmelCase      ,				norm_num_groups=lowerCAmelCase      ,				norm_type=lowerCAmelCase      ,				)


							@apply_forward_hook
							def 			_A       (self      ,				lowerCAmelCase      ,				lowerCAmelCase = True					):
									__lowercase=			self.encoder(lowerCAmelCase					)
									__lowercase=			self.quant_conv(lowerCAmelCase					)

									if not return_dict:
											return (h,)

									return VQEncoderOutput(latents=lowerCAmelCase					)


							@apply_forward_hook
							def 			_A       (self      ,				lowerCAmelCase      ,				lowerCAmelCase = False      ,				lowerCAmelCase = True					):
									# also go through quantization layer
									if not force_not_quantize:
											__lowercase,							__lowercase,							__lowercase=			self.quantize(lowerCAmelCase					)
									else:
											__lowercase=			h
									__lowercase=			self.post_quant_conv(lowerCAmelCase					)
									__lowercase=			self.decoder(lowerCAmelCase      ,				quant if self.config.norm_type == 'spatial' else None					)

									if not return_dict:
											return (dec,)

									return DecoderOutput(sample=lowerCAmelCase					)







							def 			_A       (self      ,				lowerCAmelCase      ,				lowerCAmelCase = True					):
									__lowercase=			sample
									__lowercase=			self.encode(lowerCAmelCase					).latents
									__lowercase=			self.decode(lowerCAmelCase					).sample

									if not return_dict:
											return (dec,)

									return DecoderOutput(sample=lowerCAmelCase					)






