



from typing import Any






class 						lowercase		:






	"""simple docstring"""


	def __init__(      self      :		Union[str, Any]		,    __UpperCAmelCase      :		Any	)     ->					Tuple:
							UpperCAmelCase_=  data
							UpperCAmelCase_=  None




	def __repr__(      self      :		str	)     ->					str:
							return F"""Node({self.data})"""






class 						lowercase		:






	"""simple docstring"""


	def __init__(      self      :		Tuple	)     ->					Dict:
							UpperCAmelCase_=  None




	def __iter__(      self      :		Dict	)     ->					Any:
							UpperCAmelCase_=  self.head
							while node:
													yield node.data
													UpperCAmelCase_=  node.next




	def __len__(      self      :		Any	)     ->					int:
							return sum(1 for _ in self	)




	def __repr__(      self      :		int	)     ->					str:
							return "->".join([str(__UpperCAmelCase	) for item in self]	)




	def __getitem__(      self      :		Optional[Any]		,    __UpperCAmelCase      :		Any	)     ->					Any:
							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      :		Union[str, Any]		,    __UpperCAmelCase      :		Dict		,    __UpperCAmelCase      :		int	)     ->					None:
							if not 0 <= index < len(self	):
													raise ValueError("""list index out of range."""	)
							UpperCAmelCase_=  self.head
							for _ in range(__UpperCAmelCase	):
													UpperCAmelCase_=  current.next
							UpperCAmelCase_=  data




	def     _SCREAMING_SNAKE_CASE						(      self      :		str		,    __UpperCAmelCase      :		str	)     ->					None:
							self.insert_nth(len(self	)		,    __UpperCAmelCase	)




	def     _SCREAMING_SNAKE_CASE						(      self      :		Union[str, Any]		,    __UpperCAmelCase      :		Tuple	)     ->					None:
							self.insert_nth(0		,    __UpperCAmelCase	)




	def     _SCREAMING_SNAKE_CASE						(      self      :		Union[str, Any]		,    __UpperCAmelCase      :		Optional[Any]		,    __UpperCAmelCase      :		Dict	)     ->					None:
							if not 0 <= index <= len(self	):
													raise IndexError("""list index out of range"""	)
							UpperCAmelCase_=  Node(__UpperCAmelCase	)
							if self.head is None:
													UpperCAmelCase_=  new_node
							elif index == 0:
													UpperCAmelCase_=  self.head  # link new_node to head
													UpperCAmelCase_=  new_node
							else:
													UpperCAmelCase_=  self.head
													for _ in range(index - 1	):
																			UpperCAmelCase_=  temp.next
													UpperCAmelCase_=  temp.next
													UpperCAmelCase_=  new_node




	def     _SCREAMING_SNAKE_CASE						(      self      :		Optional[int]	)     ->					None:  # print every node data
							print(self	)




	def     _SCREAMING_SNAKE_CASE						(      self      :		Any	)     ->					Any:
							return self.delete_nth(0	)




	def     _SCREAMING_SNAKE_CASE						(      self      :		Optional[Any]	)     ->					Any:  # delete from tail
							return self.delete_nth(len(self	) - 1	)




	def     _SCREAMING_SNAKE_CASE						(      self      :		Any		,    __UpperCAmelCase      :		Dict = 0	)     ->					Any:
							if not 0 <= index <= len(self	) - 1:  # test if index is valid
													raise IndexError("""List index out of range."""	)
							UpperCAmelCase_=  self.head  # default first node
							if index == 0:
													UpperCAmelCase_=  self.head.next
							else:
													UpperCAmelCase_=  self.head
													for _ in range(index - 1	):
																			UpperCAmelCase_=  temp.next
													UpperCAmelCase_=  temp.next
													UpperCAmelCase_=  temp.next.next
							return delete_node.data




	def     _SCREAMING_SNAKE_CASE						(      self      :		List[str]	)     ->					bool:
							return self.head is None




	def     _SCREAMING_SNAKE_CASE						(      self      :		Tuple	)     ->					None:
							UpperCAmelCase_=  None
							UpperCAmelCase_=  self.head

							while current:
													# Store the current node's next node.
													UpperCAmelCase_=  current.next
													# Make the current node's next point backwards
													UpperCAmelCase_=  prev
													# Make the previous node be the current node
													UpperCAmelCase_=  current
													# Make the current node the next node (to progress iteration)
													UpperCAmelCase_=  next_node
							# Return prev in order to put the head at the end
							UpperCAmelCase_=  prev



def 			__a	(       ) ->					str:






						'''simple docstring'''



						UpperCAmelCase_=  LinkedList()
						assert linked_list.is_empty() is True
						assert str(__lowerCamelCase							) == ""

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

						linked_list.insert_head(0							)
						linked_list.insert_tail(11							)
						assert str(__lowerCamelCase							) == "->".join(str(__lowerCamelCase							) 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(__lowerCamelCase							) == 9
						assert str(__lowerCamelCase							) == "->".join(str(__lowerCamelCase							) 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							):
												UpperCAmelCase_=  -i
						assert all(linked_list[i] == -i for i in range(0     ,9							)							) is True

						linked_list.reverse()
						assert str(__lowerCamelCase							) == "->".join(str(__lowerCamelCase							) for i in range(-8     ,1							)							)



def 			__a	(       ) ->					List[Any]:






						'''simple docstring'''



						UpperCAmelCase_=  [
						    -9,
						    1_00,
						    Node(77_34_51_12							),
						    'dlrow olleH',
						    7,
						    55_55,
						    0,
						    -1_92.5_55_55,
						    'Hello, world!',
						    77.9,
						    Node(10							),
						    None,
						    None,
						    12.20,
						]
						UpperCAmelCase_=  LinkedList()

						for i in test_input:
												linked_list.insert_tail(__lowerCamelCase							)

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

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

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



def 			__a	(       ) ->					List[Any]:






						'''simple docstring'''



						from doctest import testmod

						testmod()

						UpperCAmelCase_=  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(__lowerCamelCase							)
						print("""\nReading/changing Node data using indexing:"""							)
						print(F"""Element at Position 1: {linked_list[1]}"""							)
						UpperCAmelCase_=  input("""Enter New Value: """							).strip()
						print("""New list:"""							)
						print(__lowerCamelCase							)
						print(F"""length of linked_list is : {len(__lowerCamelCase							)}"""							)


if __name__ == "__main__":
	main()








'''simple docstring'''






import hashlib
import unittest
from typing import Dict

import numpy as np

from transformers import (
    MODEL_FOR_MASK_GENERATION_MAPPING,
    TF_MODEL_FOR_MASK_GENERATION_MAPPING,
    is_vision_available,
    pipeline,
)
from transformers.pipelines import MaskGenerationPipeline
from transformers.testing_utils import (
    is_pipeline_test,
    nested_simplify,
    require_tf,
    require_torch,
    require_vision,
    slow,
)


if is_vision_available():
 from PIL import Image
else:






 class    __magic_name__				:






        @staticmethod
        def      lowerCAmelCase						(     *snake_case    ,				**snake_case)		->    str:




           '''simple docstring'''
           pass





def lowerCamelCase__     (		__lowerCamelCase			:				Image				):







   '''simple docstring'''




   _UpperCAmelCase  :  Optional[Any]				       =hashlib.mda(image.tobytes()				)
   return m.hexdigest()[:1_0]





def lowerCamelCase__     (		__lowerCamelCase			:				Image				):







   '''simple docstring'''




   _UpperCAmelCase  :  List[str]				       =np.array(__lowerCamelCase				)
   _UpperCAmelCase  :  List[str]				       =npimg.shape
   return {"hash": hashimage(__lowerCamelCase				), "shape": shape}






@is_pipeline_test
@require_vision
@require_torch
class    __magic_name__				(						unittest.TestCase							):
       UpperCAmelCase		 =dict(
           (list(MODEL_FOR_MASK_GENERATION_MAPPING.items()							) if MODEL_FOR_MASK_GENERATION_MAPPING else [])							)
       UpperCAmelCase		 =dict(
           (list(TF_MODEL_FOR_MASK_GENERATION_MAPPING.items()							) if TF_MODEL_FOR_MASK_GENERATION_MAPPING else [])							)






       def      lowerCAmelCase						(     self    ,				snake_case    ,				snake_case    ,				snake_case)		->    str:




          '''simple docstring'''
          _UpperCAmelCase  :  List[str]				       =MaskGenerationPipeline(model=snake_case    ,				image_processor=snake_case)
          return image_segmenter, [
              "./tests/fixtures/tests_samples/COCO/000000039769.png",
              "./tests/fixtures/tests_samples/COCO/000000039769.png",
          ]






       def      lowerCAmelCase						(     self    ,				snake_case    ,				snake_case)		->    Optional[Any]:




          '''simple docstring'''
          pass






       @require_tf
       @unittest.skip('Image segmentation not implemented in TF')
       def      lowerCAmelCase						(     self)		->    Union[str, Any]:




          '''simple docstring'''
          pass






       @slow
       @require_torch
       def      lowerCAmelCase						(     self)		->    str:




          '''simple docstring'''
          _UpperCAmelCase  :  Any				       =pipeline('mask-generation'    ,				model='facebook/sam-vit-huge')

          _UpperCAmelCase  :  Union[str, Any]				       =image_segmenter('http://images.cocodataset.org/val2017/000000039769.jpg'    ,				points_per_batch=2_5_6)

          # Shortening by hashing
          _UpperCAmelCase  :  str				       =[]
          for i, o in enumerate(outputs['masks']):
             new_outupt += [{"mask": mask_to_test_readable(snake_case), "scores": outputs["scores"][i]}]

          # fmt: off
          self.assertEqual(
              nested_simplify(snake_case    ,				decimals=4)    ,				[
                  {'mask': {'hash': '115ad19f5f', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.04_44},
                  {'mask': {'hash': '6affa964c6', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.0_21},
                  {'mask': {'hash': 'dfe28a0388', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.01_67},
                  {'mask': {'hash': 'c0a5f4a318', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.01_32},
                  {'mask': {'hash': 'fe8065c197', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.00_53},
                  {'mask': {'hash': 'e2d0b7a0b7', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.99_67},
                  {'mask': {'hash': '453c7844bd', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.9_93},
                  {'mask': {'hash': '3d44f2926d', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.99_09},
                  {'mask': {'hash': '64033ddc3f', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.98_79},
                  {'mask': {'hash': '801064ff79', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.98_34},
                  {'mask': {'hash': '6172f276ef', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.97_16},
                  {'mask': {'hash': 'b49e60e084', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.96_12},
                  {'mask': {'hash': 'a811e775fd', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.95_99},
                  {'mask': {'hash': 'a6a8ebcf4b', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.95_52},
                  {'mask': {'hash': '9d8257e080', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.95_32},
                  {'mask': {'hash': '32de6454a8', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.95_16},
                  {'mask': {'hash': 'af3d4af2c8', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.94_99},
                  {'mask': {'hash': '3c6db475fb', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.94_83},
                  {'mask': {'hash': 'c290813fb9', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.94_64},
                  {'mask': {'hash': 'b6f0b8f606', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.9_43},
                  {'mask': {'hash': '92ce16bfdf', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.9_43},
                  {'mask': {'hash': 'c749b25868', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.94_08},
                  {'mask': {'hash': 'efb6cab859', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.93_35},
                  {'mask': {'hash': '1ff2eafb30', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.93_26},
                  {'mask': {'hash': '788b798e24', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.92_62},
                  {'mask': {'hash': 'abea804f0e', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.89_99},
                  {'mask': {'hash': '7b9e8ddb73', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.89_86},
                  {'mask': {'hash': 'cd24047c8a', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.89_84},
                  {'mask': {'hash': '6943e6bcbd', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.88_73},
                  {'mask': {'hash': 'b5f47c9191', 'shape': (4_8_0, 6_4_0)}, 'scores': 0.88_71}
              ]    ,				)
          # fmt: on






       @require_torch
       @slow
       def      lowerCAmelCase						(     self)		->    Optional[Any]:




          '''simple docstring'''
          _UpperCAmelCase  :  List[str]				       ='facebook/sam-vit-huge'
          _UpperCAmelCase  :  Optional[int]				       =pipeline('mask-generation'    ,				model=snake_case)

          _UpperCAmelCase  :  str				       =image_segmenter(
              'http://images.cocodataset.org/val2017/000000039769.jpg'    ,				pred_iou_thresh=1    ,				points_per_batch=2_5_6)

          # Shortening by hashing
          _UpperCAmelCase  :  Tuple				       =[]
          for i, o in enumerate(outputs['masks']):
             new_outupt += [{"mask": mask_to_test_readable(snake_case), "scores": outputs["scores"][i]}]

          self.assertEqual(
              nested_simplify(snake_case    ,				decimals=4)    ,				[
                  {'mask': {'hash': '115ad19f5f', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.04_44},
                  {'mask': {'hash': '6affa964c6', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.02_10},
                  {'mask': {'hash': 'dfe28a0388', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.01_67},
                  {'mask': {'hash': 'c0a5f4a318', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.01_32},
                  {'mask': {'hash': 'fe8065c197', 'shape': (4_8_0, 6_4_0)}, 'scores': 1.00_53},
              ]    ,				)

