




'''simple docstring'''






from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


A_			      =		{
    "configuration_mask2former": [
        "MASK2FORMER_PRETRAINED_CONFIG_ARCHIVE_MAP",
        "Mask2FormerConfig",
    ],
}

try:
      if not is_vision_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      A_			      =		["Mask2FormerImageProcessor"]

try:
      if not is_torch_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      A_			      =		[
          "MASK2FORMER_PRETRAINED_MODEL_ARCHIVE_LIST",
          "Mask2FormerForUniversalSegmentation",
          "Mask2FormerModel",
          "Mask2FormerPreTrainedModel",
      ]

if TYPE_CHECKING:
      from .configuration_maskaformer import MASK2FORMER_PRETRAINED_CONFIG_ARCHIVE_MAP, MaskaFormerConfig

      try:
            if not is_vision_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .image_processing_maskaformer import MaskaFormerImageProcessor

      try:
            if not is_torch_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .modeling_maskaformer import (
                MASK2FORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
                MaskaFormerForUniversalSegmentation,
                MaskaFormerModel,
                MaskaFormerPreTrainedModel,
            )


else:
      import sys

      A_			      =		_LazyModule(__name__, globals()["__file__"], _import_structure)






'''simple docstring'''






from typing import Any






class        lowercase_      :





     def __init__(     self     :					Dict     ,							__lowerCamelCase     :					Any			):
           snake_case__       :   str	      =    data
           snake_case__       :   Dict	      =    None






class        lowercase_      :





     def __init__(     self     :					int			):
           snake_case__       :   List[Any]	      =    None





     def 			_lowerCAmelCase      (     self     :					str			):
           snake_case__       :   Any	      =    self.head
           while temp is not None:
                 print(temp.data     ,							end=' '			)
                 snake_case__       :   int	      =    temp.next
           print()





     def 			_lowerCAmelCase      (     self     :					Optional[Any]     ,							__lowerCamelCase     :					Any			):
           snake_case__       :   Union[str, Any]	      =    Node(__lowerCamelCase			)
           snake_case__       :   List[str]	      =    self.head
           snake_case__       :   Any	      =    new_node





     def 			_lowerCAmelCase      (     self     :					Dict     ,							__lowerCamelCase     :					int     ,							__lowerCamelCase     :					Tuple			):
           if node_data_a == node_data_a:
                 return
           else:
                 snake_case__       :   List[Any]	      =    self.head
                 while node_a is not None and node_a.data != node_data_a:
                       snake_case__       :   List[str]	      =    node_a.next

                 snake_case__       :   Union[str, Any]	      =    self.head
                 while node_a is not None and node_a.data != node_data_a:
                       snake_case__       :   str	      =    node_a.next

                 if node_a is None or node_a is None:
                       return

                 snake_case__      ,							snake_case__       :   Dict	      =    node_a.data, node_a.data


if __name__ == "__main__":
      A_			      =		LinkedList()
      for i in range(5, 0, -1):
            ll.push(i)

      ll.print_list()

      ll.swap_nodes(1, 4)
      print("After swapping")
      ll.print_list()
