code: 
  
  
  class 			a      :
  
  
  
  		class 			a      :
  				__lowercase													=		"""_prev""", """_data""", """_next"""
  
  
  
  
  
  
  				def __init__(  self	,     __UpperCamelCase	,     __UpperCamelCase	,     __UpperCamelCase							)->			List[Any]:
  								'''simple docstring'''
  
  
  								A__     :							List[Any]   				=link_p
  								A__     :							Optional[int]   				=element
  								A__     :							Optional[int]   				=link_n
  
  
  
  
  
  
  				def       lowerCAmelCase_  (  self							)->			Optional[Any]:
  								'''simple docstring'''
  
  
  								return (
  								    F' Prev -> {self._prev is not None}, Next -> {self._next is not None}'
  								)
  
  
  
  
  
  
  
  		def __init__(  self							)->			Union[str, Any]:
  						'''simple docstring'''
  
  
  						A__     :							int   				=self._Node(__UpperCamelCase	,     __UpperCamelCase	,     __UpperCamelCase							)
  						A__     :							Any   				=self._Node(__UpperCamelCase	,     __UpperCamelCase	,     __UpperCamelCase							)
  						A__     :							str   				=self._trailer
  						A__     :							Optional[int]   				=self._header
  						A__     :							Optional[int]   				=0
  
  
  
  
  
  
  		def __len__(  self							)->			str:
  						'''simple docstring'''
  
  
  						return self._size
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self							)->			str:
  						'''simple docstring'''
  
  
  						return self.__len__() == 0
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self	,     __UpperCamelCase	,     __UpperCamelCase	,     __UpperCamelCase							)->			str:
  						'''simple docstring'''
  
  
  						A__     :							Union[str, Any]   				=self._Node(__UpperCamelCase	,     __UpperCamelCase	,     __UpperCamelCase							)
  						A__     :							Optional[Any]   				=new_node
  						A__     :							Union[str, Any]   				=new_node
  						self._size += 1
  						return self
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self	,     __UpperCamelCase							)->			int:
  						'''simple docstring'''
  
  
  						A__     :							List[Any]   				=node._prev
  						A__     :							Optional[int]   				=node._next
  
  						A__     :							str   				=successor
  						A__     :							Optional[int]   				=predecessor
  						self._size -= 1
  						A__     :							Optional[int]   				=node._data
  						A__     :							Union[str, Any]   				=None
  						del node
  						return temp
  
  
  
  
  
  
  
  class 			a      (      _DoublyLinkedBase   ):
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self							)->			Tuple:
  						'''simple docstring'''
  
  
  						if self.is_empty():
  										raise Exception('''List is empty'''							)
  						return self._header._next._data
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self							)->			Tuple:
  						'''simple docstring'''
  
  
  						if self.is_empty():
  										raise Exception('''List is empty'''							)
  						return self._trailer._prev._data
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self	,     __UpperCamelCase							)->			Optional[int]:
  						'''simple docstring'''
  
  
  						return self._insert(self._header	,     __UpperCamelCase	,     self._header._next							)
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self	,     __UpperCamelCase							)->			int:
  						'''simple docstring'''
  
  
  						return self._insert(self._trailer._prev	,     __UpperCamelCase	,     self._trailer							)
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self							)->			Any:
  						'''simple docstring'''
  
  
  						if self.is_empty():
  										raise IndexError('''remove_first from empty list'''							)
  						return self._delete(self._header._next							)
  
  
  
  
  
  
  		def       lowerCAmelCase_  (  self							)->			Any:
  						'''simple docstring'''
  
  
  						if self.is_empty():
  										raise IndexError('''remove_first from empty list'''							)
  						return self._delete(self._trailer._prev							)
  
  
  
  
style_context: 
  
  
  from dataclasses import dataclass
  from enum import Enum
  from typing import List, Optional, Union
  
  import numpy as np
  import PIL
  from PIL import Image
  
  from ...utils import BaseOutput, is_torch_available, is_transformers_available
  
  
  
  @dataclass
  class 			a      (      UpperCamelCase_   ):
  		__lowercase													=		{
  		    """sld_warmup_steps""": 15,
  		    """sld_guidance_scale""": 20,
  		    """sld_threshold""": 0.0,
  		    """sld_momentum_scale""": 0.0,
  		    """sld_mom_beta""": 0.0,
  		}
  		__lowercase													=		{
  		    """sld_warmup_steps""": 10,
  		    """sld_guidance_scale""": 1_000,
  		    """sld_threshold""": 0.01,
  		    """sld_momentum_scale""": 0.3,
  		    """sld_mom_beta""": 0.4,
  		}
  		__lowercase													=		{
  		    """sld_warmup_steps""": 7,
  		    """sld_guidance_scale""": 2_000,
  		    """sld_threshold""": 0.0_25,
  		    """sld_momentum_scale""": 0.5,
  		    """sld_mom_beta""": 0.7,
  		}
  		__lowercase													=		{
  		    """sld_warmup_steps""": 0,
  		    """sld_guidance_scale""": 5_000,
  		    """sld_threshold""": 1.0,
  		    """sld_momentum_scale""": 0.5,
  		    """sld_mom_beta""": 0.7,
  		}
  
  
  
  
  
  
  
  @dataclass
  class 			a      (      UpperCamelCase_   ):
  		__lowercase													=		42
  		__lowercase													=		42
  		__lowercase													=		42
  		__lowercase													=		42
  
  
  if is_transformers_available() and is_torch_available():
  						from .pipeline_stable_diffusion_safe import StableDiffusionPipelineSafe
  						from .safety_checker import SafeStableDiffusionSafetyChecker
  
  
  
  