code: 
  
  
  
  
  """simple docstring"""
  
  
  
  
  from __future__ import annotations
  
  from typing import Generic, TypeVar
  
  __A :		Optional[Any]      							=    TypeVar('''T''')
  class 							lowerCamelCase		( Generic[T]				):
  
  
  
  
  
  
  
     def __init__(							self    ,      SCREAMING_SNAKE_CASE_ ):
         UpperCamelCase				:   str          =							data  # Assign data
         UpperCamelCase				:   Node[T] | None          =							None  # Initialize next as null
         UpperCamelCase				:   Node[T] | None          =							None  # Initialize prev as null
  
  
  
  
  
  
  
  class 							lowerCamelCase		( Generic[T]				):
  
  
  
  
  
  
  
     def __init__(							self ):
         UpperCamelCase				:   Node[T] | None          =							None
  
  
  
  
  
  
  
     def       a_							(							self    ,      SCREAMING_SNAKE_CASE_ ):
         if self.head is None:
             UpperCamelCase				:   int          =							Node(SCREAMING_SNAKE_CASE_ )
         else:
             UpperCamelCase				:   int          =							Node(SCREAMING_SNAKE_CASE_ )
             UpperCamelCase				:   Optional[Any]          =							new_node
             UpperCamelCase				:   str          =							self.head
             UpperCamelCase				:   Optional[int]          =							None
             UpperCamelCase				:   Optional[int]          =							new_node
  
  
  
  
  
  
  
     def       a_							(							self ):
         if self.head is None:
             return None
         else:
             assert self.head is not None
             UpperCamelCase				:   Dict          =							self.head.data
             UpperCamelCase				:   Optional[int]          =							self.head.next
             if self.head is not None:
                 UpperCamelCase				:   Optional[int]          =							None
             return temp
  
  
  
  
  
  
  
     def       a_							(							self ):
         return self.head.data if self.head is not None else None
  
  
  
  
  
  
  
     def __len__(							self ):
         UpperCamelCase				:   List[Any]          =							self.head
         UpperCamelCase				:   Tuple          =							0
         while temp is not None:
             count += 1
             UpperCamelCase				:   str          =							temp.next
         return count
  
  
  
  
  
  
  
     def       a_							(							self ):
         return self.head is None
  
  
  
  
  
  
  
     def       a_							(							self ):
         print("""stack elements are:""" )
         UpperCamelCase				:   Any          =							self.head
         while temp is not None:
             print(temp.data    ,      end="""->""" )
             UpperCamelCase				:   List[Any]          =							temp.next
  
  
  # Code execution starts here
  if __name__ == "__main__":
    # Start with the empty stack
    __A :		Stack[int]      							=    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())
  
  
  
  
  
style_context: 
  
  
  
  
  """simple docstring"""
  
  
  
  
  from ...utils import is_transformers_available
  from .pipeline_latent_diffusion_superresolution import LDMSuperResolutionPipeline
  
  
  if is_transformers_available():
    from .pipeline_latent_diffusion import LDMBertModel, LDMTextToImagePipeline
  
  
  
  
  