

from typing import Any



class     _a						:


					'''simple docstring'''






					def __init__( self    ,       A__			):
						A__							:    Union[str, Any]        =		data
						A__							:    Union[str, Any]        =		None






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



class     _a						:


					'''simple docstring'''






					def __init__( self			):
						A__							:    List[str]        =		None






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






					def __len__( self			):
						return sum(1 for _ in self			)






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






					def __getitem__( self    ,       A__			):
						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    ,       A__    ,       A__			):
						if not 0 <= index < len(self			):
							raise ValueError("""list index out of range."""			)
						A__							:    Optional[Any]        =		self.head
						for _ in range(A__			):
							A__							:    Dict        =		current.next
						A__							:    Optional[Any]        =		data






					def   __A			( self    ,       A__			):
						self.insert_nth(len(self			)    ,       A__			)






					def   __A			( self    ,       A__			):
						self.insert_nth(0    ,       A__			)






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






					def   __A			( self			):  # print every node data
						print(self			)






					def   __A			( self			):
						return self.delete_nth(0			)






					def   __A			( self			):  # delete from tail
						return self.delete_nth(len(self			) - 1			)






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






					def   __A			( self			):
						return self.head is None






					def   __A			( self			):
						A__							:    Any        =		None
						A__							:    Tuple        =		self.head

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



def 						UpperCamelCase					()     ->      None:
	A__							:    Any        =		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					):
		A__							:    Union[str, Any]        =		-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 						UpperCamelCase					()     ->      None:
	A__							:    Tuple        =		[
	    -9,
	    100,
	    Node(77345112					),
	    """dlrow olleH""",
	    7,
	    5555,
	    0,
	    -192.5_5555,
	    """Hello, world!""",
	    77.9,
	    Node(10					),
	    None,
	    None,
	    12.20,
	]
	A__							:    Optional[Any]        =		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
	A__							:    Any        =		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
	A__							:    List[Any]        =		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
	A__							:    Optional[int]        =		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 						UpperCamelCase					()     ->      List[str]:
	from doctest import testmod

	testmod()

	A__							:    Dict        =		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]}"""					)
	A__							:    int        =		input("""Enter New Value: """					).strip()
	print("""New list:"""					)
	print(lowercase_					)
	print(f"""length of linked_list is : {len(lowercase_					)}"""					)


if __name__ == "__main__":
	main()






import warnings

from ...utils import logging
from .image_processing_donut import DonutImageProcessor


A_       : Union[str, Any]         =			logging.get_logger(__name__)



class     _a						(__magic_name__				):


					'''simple docstring'''






					def __init__( self    ,       *A__    ,       **A__			):
						warnings.warn(
						    """The class DonutFeatureExtractor is deprecated and will be removed in version 5 of Transformers. Please"""
						    """ use DonutImageProcessor instead."""    ,       A__    ,       )
						super().__init__(*A__    ,       **A__			)



