


"""simple docstring"""



from typing import Any







class _lowerCAmelCase							:







   def __init__(      self		,      UpperCamelCase__		)      ->						Any:

       '''simple docstring'''




       snake_case       : List[Any]    =       data
       snake_case       : str    =       None







   def __repr__(      self		)      ->						str:

       '''simple docstring'''




       return F'Node({self.data})'







class _lowerCAmelCase							:







   def __init__(      self		)      ->						Optional[Any]:

       '''simple docstring'''




       snake_case       : Any    =       None







   def __iter__(      self		)      ->						Any:

       '''simple docstring'''




       snake_case       : Union[str, Any]    =       self.head
       while node:
           yield node.data
           snake_case       : Union[str, Any]    =       node.next







   def __len__(      self		)      ->						int:

       '''simple docstring'''




       return sum(1 for _ in self		)







   def __repr__(      self		)      ->						str:

       '''simple docstring'''




       return "->".join([str(UpperCamelCase__		) for item in self]		)







   def __getitem__(      self		,      UpperCamelCase__		)      ->						Any:

       '''simple docstring'''




       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		,      UpperCamelCase__		,      UpperCamelCase__		)      ->						None:

       '''simple docstring'''




       if not 0 <= index < len(self		):
           raise ValueError("list index out of range."		)
       snake_case       : int    =       self.head
       for _ in range(UpperCamelCase__		):
           snake_case       : List[Any]    =       current.next
       snake_case       : str    =       data







   def 					lowerCamelCase						(      self		,      UpperCamelCase__		)      ->						None:

       '''simple docstring'''




       self.insert_nth(len(self		)		,      UpperCamelCase__		)







   def 					lowerCamelCase						(      self		,      UpperCamelCase__		)      ->						None:

       '''simple docstring'''




       self.insert_nth(0		,      UpperCamelCase__		)







   def 					lowerCamelCase						(      self		,      UpperCamelCase__		,      UpperCamelCase__		)      ->						None:

       '''simple docstring'''




       if not 0 <= index <= len(self		):
           raise IndexError("list index out of range"		)
       snake_case       : int    =       Node(UpperCamelCase__		)
       if self.head is None:
           snake_case       : Any    =       new_node
       elif index == 0:
           snake_case       : str    =       self.head  # link new_node to head
           snake_case       : int    =       new_node
       else:
           snake_case       : List[str]    =       self.head
           for _ in range(index - 1		):
               snake_case       : List[Any]    =       temp.next
           snake_case       : List[str]    =       temp.next
           snake_case       : List[str]    =       new_node







   def 					lowerCamelCase						(      self		)      ->						None:  # print every node data

       '''simple docstring'''




       print(self		)







   def 					lowerCamelCase						(      self		)      ->						Any:

       '''simple docstring'''




       return self.delete_nth(0		)







   def 					lowerCamelCase						(      self		)      ->						Any:  # delete from tail

       '''simple docstring'''




       return self.delete_nth(len(self		) - 1		)







   def 					lowerCamelCase						(      self		,      UpperCamelCase__ = 0		)      ->						Any:

       '''simple docstring'''




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







   def 					lowerCamelCase						(      self		)      ->						bool:

       '''simple docstring'''




       return self.head is None







   def 					lowerCamelCase						(      self		)      ->						None:

       '''simple docstring'''




       snake_case       : List[str]    =       None
       snake_case       : str    =       self.head

       while current:
           # Store the current node's next node.
           snake_case       : Union[str, Any]    =       current.next
           # Make the current node's next point backwards
           snake_case       : List[str]    =       prev
           # Make the previous node be the current node
           snake_case       : int    =       current
           # Make the current node the next node (to progress iteration)
           snake_case       : Union[str, Any]    =       next_node
       # Return prev in order to put the head at the end
       snake_case       : Tuple    =       prev







def     __lowerCAmelCase		(		)      ->		None:


    """simple docstring"""





    snake_case       : Tuple    =       LinkedList()
    assert linked_list.is_empty() is True
    assert str(lowercase					) == ""

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

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

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







def     __lowerCAmelCase		(		)      ->		None:


    """simple docstring"""





    snake_case       : Any    =       [
        -9,
        100,
        Node(7734_5112					),
        "dlrow olleH",
        7,
        5555,
        0,
        -192.5_5555,
        "Hello, world!",
        77.9,
        Node(10					),
        None,
        None,
        12.20,
    ]
    snake_case       : str    =       LinkedList()

    for i in test_input:
        linked_list.insert_tail(lowercase					)

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

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

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







def     __lowerCAmelCase		(		)      ->		List[str]:


    """simple docstring"""





    from doctest import testmod

    testmod()

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


if __name__ == "__main__":
  main()









"""simple docstring"""



import copy
from typing import Dict, Optional

from ...configuration_utils import PretrainedConfig
from ...utils import logging
from ..auto import CONFIG_MAPPING
from ..detr import DetrConfig
from ..swin import SwinConfig


__snake_case       =       {
    """facebook/maskformer-swin-base-ade""": (
        """https://huggingface.co/facebook/maskformer-swin-base-ade/blob/main/config.json"""
    )
    # See all MaskFormer models at https://huggingface.co/models?filter=maskformer
}

__snake_case       =       logging.get_logger(__name__)







class _lowerCAmelCase							( snake_case_      ):
   __UpperCAmelCase					:			Any				    =    '''maskformer'''
   __UpperCAmelCase					:			List[str]				    =    {'''hidden_size''': '''mask_feature_size'''}
   __UpperCAmelCase					:			Optional[Any]				    =    ['''resnet''', '''swin''']
   __UpperCAmelCase					:			str				    =    ['''detr''']







   def __init__(      self		,      UpperCamelCase__ = 256		,      UpperCamelCase__ = 256		,      UpperCamelCase__ = 0.1		,      UpperCamelCase__ = False		,      UpperCamelCase__ = None		,      UpperCamelCase__ = None		,      UpperCamelCase__ = 0.02		,      UpperCamelCase__ = 1.0		,      UpperCamelCase__ = 1.0		,      UpperCamelCase__ = 1.0		,      UpperCamelCase__ = 20.0		,      UpperCamelCase__ = None		,      **UpperCamelCase__		,      )      ->						Optional[int]:

       '''simple docstring'''




       if backbone_config is None:
           # fall back to https://huggingface.co/microsoft/swin-base-patch4-window12-384-in22k
           snake_case       : Tuple    =       SwinConfig(
               image_size=384		,      in_channels=3		,      patch_size=4		,      embed_dim=128		,      depths=[2, 2, 18, 2]		,      num_heads=[4, 8, 16, 32]		,      window_size=12		,      drop_path_rate=0.3		,      out_features=["stage1", "stage2", "stage3", "stage4"]		,      )

       if isinstance(UpperCamelCase__		,      UpperCamelCase__		):
           snake_case       : Optional[Any]    =       backbone_config.pop("model_type"		)
           snake_case       : List[str]    =       CONFIG_MAPPING[backbone_model_type]
           snake_case       : str    =       config_class.from_dict(UpperCamelCase__		)

       # verify that the backbone is supported
       if backbone_config.model_type not in self.backbones_supported:
           logger.warning_once(
               F'Backbone {backbone_config.model_type} is not a supported model and may not be compatible with MaskFormer. '
               F'Supported model types: {",".join(self.backbones_supported		)}'		)

       if decoder_config is None:
           # fall back to https://huggingface.co/facebook/detr-resnet-50
           snake_case       : Optional[int]    =       DetrConfig()
       else:
           # verify that the decoder is supported
           snake_case       : Optional[Any]    =       (
               decoder_config.pop("model_type"		) if isinstance(UpperCamelCase__		,      UpperCamelCase__		) else decoder_config.model_type
           )
           if decoder_type not in self.decoders_supported:
               raise ValueError(
                   F'Transformer Decoder {decoder_type} not supported, please use one of'
                   F' {",".join(self.decoders_supported		)}'		)
           if isinstance(UpperCamelCase__		,      UpperCamelCase__		):
               snake_case       : Dict    =       CONFIG_MAPPING[decoder_type]
               snake_case       : List[Any]    =       config_class.from_dict(UpperCamelCase__		)

       snake_case       : Optional[int]    =       backbone_config
       snake_case       : Optional[Any]    =       decoder_config
       # main feature dimension for the model
       snake_case       : List[str]    =       fpn_feature_size
       snake_case       : Tuple    =       mask_feature_size
       # initializer
       snake_case       : str    =       init_std
       snake_case       : str    =       init_xavier_std
       # Hungarian matcher && loss
       snake_case       : List[Any]    =       cross_entropy_weight
       snake_case       : int    =       dice_weight
       snake_case       : str    =       mask_weight
       snake_case       : Any    =       use_auxiliary_loss
       snake_case       : Any    =       no_object_weight
       snake_case       : List[Any]    =       output_auxiliary_logits

       snake_case       : Optional[int]    =       self.decoder_config.encoder_attention_heads
       snake_case       : Tuple    =       self.decoder_config.num_hidden_layers
       super().__init__(**UpperCamelCase__		)







   @classmethod
   def 					lowerCamelCase						(      cls		,      UpperCamelCase__		,      UpperCamelCase__		,      **UpperCamelCase__		)      ->						Optional[int]:

       '''simple docstring'''




       return cls(
           backbone_config=UpperCamelCase__		,      decoder_config=UpperCamelCase__		,      **UpperCamelCase__		,      )







   def 					lowerCamelCase						(      self		)      ->						Dict[str, any]:

       '''simple docstring'''




       snake_case       : int    =       copy.deepcopy(self.__dict__		)
       snake_case       : List[str]    =       self.backbone_config.to_dict()
       snake_case       : Union[str, Any]    =       self.decoder_config.to_dict()
       snake_case       : Optional[int]    =       self.__class__.model_type
       return output





