



class 					__lowerCAmelCase :




				def __init__(							self						,				_snake_case						,				_snake_case=None						,				_snake_case=None		):



									"""simple docstring"""





									_lowerCAmelCase						=    data
									_lowerCAmelCase						=    previous
									_lowerCAmelCase						=    next_node




				def __str__(							self		):



									"""simple docstring"""





									return F'{self.data}'




				def 							snake_case   (							self		):



									"""simple docstring"""





									return self.data




				def 							snake_case   (							self		):



									"""simple docstring"""





									return self.next




				def 							snake_case   (							self		):



									"""simple docstring"""





									return self.previous





class 					__lowerCAmelCase :




				def __init__(							self						,				_snake_case		):



									"""simple docstring"""





									_lowerCAmelCase						=    head




				def __iter__(							self		):



									"""simple docstring"""





									return self




				def 							snake_case   (							self		):



									"""simple docstring"""





									if not self.current:
														raise StopIteration
									else:
														_lowerCAmelCase						=    self.current.get_data()
														_lowerCAmelCase						=    self.current.get_next()
														return value





class 					__lowerCAmelCase :




				def __init__(							self		):



									"""simple docstring"""





									_lowerCAmelCase						=    None  # First node in list
									_lowerCAmelCase						=    None  # Last node in list




				def __str__(							self		):



									"""simple docstring"""





									_lowerCAmelCase						=    self.head
									_lowerCAmelCase						=    []
									while current is not None:
														nodes.append(current.get_data()		)
														_lowerCAmelCase						=    current.get_next()
									return " ".join(str(SCREAMING_SNAKE_CASE_		) for node in nodes		)




				def __contains__(							self						,				_snake_case		):



									"""simple docstring"""





									_lowerCAmelCase						=    self.head
									while current:
														if current.get_data() == value:
																			return True
														_lowerCAmelCase						=    current.get_next()
									return False




				def __iter__(							self		):



									"""simple docstring"""





									return LinkedListIterator(self.head		)




				def 							snake_case   (							self		):



									"""simple docstring"""





									if self.head:
														return self.head.get_data()
									return None




				def 							snake_case   (							self		):



									"""simple docstring"""





									if self.tail:
														return self.tail.get_data()
									return None




				def 							snake_case   (							self						,				_snake_case		):



									"""simple docstring"""





									if self.head is None:
														_lowerCAmelCase						=    node
														_lowerCAmelCase						=    node
									else:
														self.insert_before_node(self.head						,				SCREAMING_SNAKE_CASE_		)




				def 							snake_case   (							self						,				_snake_case		):



									"""simple docstring"""





									if self.head is None:
														self.set_head(SCREAMING_SNAKE_CASE_		)
									else:
														self.insert_after_node(self.tail						,				SCREAMING_SNAKE_CASE_		)




				def 							snake_case   (							self						,				_snake_case		):



									"""simple docstring"""





									_lowerCAmelCase						=    Node(SCREAMING_SNAKE_CASE_		)
									if self.head is None:
														self.set_head(SCREAMING_SNAKE_CASE_		)
									else:
														self.set_tail(SCREAMING_SNAKE_CASE_		)




				def 							snake_case   (							self						,				_snake_case						,				_snake_case		):



									"""simple docstring"""





									_lowerCAmelCase						=    node
									_lowerCAmelCase						=    node.previous

									if node.get_previous() is None:
														_lowerCAmelCase						=    node_to_insert
									else:
														_lowerCAmelCase						=    node_to_insert

									_lowerCAmelCase						=    node_to_insert




				def 							snake_case   (							self						,				_snake_case						,				_snake_case		):



									"""simple docstring"""





									_lowerCAmelCase						=    node
									_lowerCAmelCase						=    node.next

									if node.get_next() is None:
														_lowerCAmelCase						=    node_to_insert
									else:
														_lowerCAmelCase						=    node_to_insert

									_lowerCAmelCase						=    node_to_insert




				def 							snake_case   (							self						,				_snake_case						,				_snake_case		):



									"""simple docstring"""





									_lowerCAmelCase						=    1
									_lowerCAmelCase						=    Node(SCREAMING_SNAKE_CASE_		)
									_lowerCAmelCase						=    self.head
									while node:
														if current_position == position:
																			self.insert_before_node(SCREAMING_SNAKE_CASE_						,				SCREAMING_SNAKE_CASE_		)
																			return
														current_position += 1
														_lowerCAmelCase						=    node.next
									self.insert_after_node(self.tail						,				SCREAMING_SNAKE_CASE_		)




				def 							snake_case   (							self						,				_snake_case		):



									"""simple docstring"""





									_lowerCAmelCase						=    self.head
									while node:
														if node.get_data() == item:
																			return node
														_lowerCAmelCase						=    node.get_next()
									raise Exception("""Node not found"""		)




				def 							snake_case   (							self						,				_snake_case		):



									"""simple docstring"""





									if (node := self.get_node(SCREAMING_SNAKE_CASE_		)) is not None:
														if node == self.head:
																			_lowerCAmelCase						=    self.head.get_next()

														if node == self.tail:
																			_lowerCAmelCase						=    self.tail.get_previous()

														self.remove_node_pointers(SCREAMING_SNAKE_CASE_		)




				@staticmethod
				def 							snake_case   (							_snake_case		):



									"""simple docstring"""





									if node.get_next():
														_lowerCAmelCase						=    node.previous

									if node.get_previous():
														_lowerCAmelCase						=    node.next

									_lowerCAmelCase						=    None
									_lowerCAmelCase						=    None




				def 							snake_case   (							self		):



									"""simple docstring"""





									return self.head is None


def 		_UpperCAmelCase				(      ):





					"""simple docstring"""



if __name__ == "__main__":
	import doctest

	doctest.testmod()





from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_speech_available,
    is_torch_available,
)


__a  			=					{
    'configuration_trocr': ['TROCR_PRETRAINED_CONFIG_ARCHIVE_MAP', 'TrOCRConfig'],
    'processing_trocr': ['TrOCRProcessor'],
}


try:
						if not is_torch_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						__a  			=					[
						    'TROCR_PRETRAINED_MODEL_ARCHIVE_LIST',
						    'TrOCRForCausalLM',
						    'TrOCRPreTrainedModel',
						]


if TYPE_CHECKING:
						from .configuration_trocr import TROCR_PRETRAINED_CONFIG_ARCHIVE_MAP, TrOCRConfig
						from .processing_trocr import TrOCRProcessor

						try:
												if not is_torch_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .modeling_trocr import TROCR_PRETRAINED_MODEL_ARCHIVE_LIST, TrOCRForCausalLM, TrOCRPreTrainedModel

else:
						import sys

						__a  			=					_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)




