from __future__ import annotations

from typing import Generic, TypeVar

__lowerCamelCase     :					Tuple				  =						TypeVar('''T''')







class __snake_case							(		Generic[T]						):




   def __init__(       self     :							Optional[Any]			,      _lowercase     :							Optional[Any] ):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__     				= data  # Assign data
     SCREAMING_SNAKE_CASE__     				= None  # Initialize next as null
     SCREAMING_SNAKE_CASE__     				= None  # Initialize prev as null







class __snake_case							(		Generic[T]						):




   def __init__(       self     :							Any ):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__     				= None




   def       __a		(       self     :							Tuple			,      _lowercase     :							Union[str, Any] ):



     """simple docstring"""






     if self.head is None:
       SCREAMING_SNAKE_CASE__     				= Node(__UpperCamelCase )
     else:
       SCREAMING_SNAKE_CASE__     				= Node(__UpperCamelCase )
       SCREAMING_SNAKE_CASE__     				= new_node
       SCREAMING_SNAKE_CASE__     				= self.head
       SCREAMING_SNAKE_CASE__     				= None
       SCREAMING_SNAKE_CASE__     				= new_node




   def       __a		(       self     :							List[str] ):



     """simple docstring"""






     if self.head is None:
       return None
     else:
       assert self.head is not None
       SCREAMING_SNAKE_CASE__     				= self.head.data
       SCREAMING_SNAKE_CASE__     				= self.head.next
       if self.head is not None:
         SCREAMING_SNAKE_CASE__     				= None
       return temp




   def       __a		(       self     :							str ):



     """simple docstring"""






     return self.head.data if self.head is not None else None




   def __len__(       self     :							List[Any] ):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__     				= self.head
     SCREAMING_SNAKE_CASE__     				= 0
     while temp is not None:
       count += 1
       SCREAMING_SNAKE_CASE__     				= temp.next
     return count




   def       __a		(       self     :							Any ):



     """simple docstring"""






     return self.head is None




   def       __a		(       self     :							str ):



     """simple docstring"""






     print("""stack elements are:""" )
     SCREAMING_SNAKE_CASE__     				= self.head
     while temp is not None:
       print(temp.data			,      end="""->""" )
       SCREAMING_SNAKE_CASE__     				= temp.next


# Code execution starts here
if __name__ == "__main__":
   # Start with the empty stack
   __lowerCamelCase     :					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())


import unittest
from pathlib import Path

from transformers import is_vision_available, load_tool
from transformers.testing_utils import get_tests_dir

from .test_tools_common import ToolTesterMixin


if is_vision_available():
     from PIL import Image


class 							lowerCamelCase       (		unittest.TestCase			,  __snake_case					):



  """simple docstring"""





  def 					lowercase_						(					self					):
      A_								=					load_tool("image-question-answering"					)
      self.tool.setup()
      A_								=					load_tool("image-question-answering"						,    remote=__UpperCamelCase					)

  def 					lowercase_						(					self					):
      A_								=					Image.open(Path(get_tests_dir("fixtures/tests_samples/COCO"					)					) / "000000039769.png"					)
      A_								=					self.tool(__UpperCamelCase						,    "How many cats are sleeping on the couch?"					)
      self.assertEqual(__UpperCamelCase						,    "2"					)

  def 					lowercase_						(					self					):
      A_								=					Image.open(Path(get_tests_dir("fixtures/tests_samples/COCO"					)					) / "000000039769.png"					)
      A_								=					self.remote_tool(__UpperCamelCase						,    "How many cats are sleeping on the couch?"					)
      self.assertEqual(__UpperCamelCase						,    "2"					)

  def 					lowercase_						(					self					):
      A_								=					Image.open(Path(get_tests_dir("fixtures/tests_samples/COCO"					)					) / "000000039769.png"					)
      A_								=					self.tool(image=__UpperCamelCase						,    question="How many cats are sleeping on the couch?"					)
      self.assertEqual(__UpperCamelCase						,    "2"					)

  def 					lowercase_						(					self					):
      A_								=					Image.open(Path(get_tests_dir("fixtures/tests_samples/COCO"					)					) / "000000039769.png"					)
      A_								=					self.remote_tool(image=__UpperCamelCase						,    question="How many cats are sleeping on the couch?"					)
      self.assertEqual(__UpperCamelCase						,    "2"					)






