




"""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())










"""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




