




'''simple docstring'''







class       _a  :
       def __init__(     self						:     Tuple       ,    lowercase						:     Optional[int]    ):



           '''simple docstring'''

           UpperCAmelCase      	=		data
           UpperCAmelCase      	=		None
           UpperCAmelCase      	=		None







       def __str__(     self						:     Any    ):



           '''simple docstring'''

           return f"{self.data}"






class       _a  :
       def __init__(     self						:     Optional[Any]    ):



           '''simple docstring'''

           UpperCAmelCase      	=		None
           UpperCAmelCase      	=		None
       def __iter__(     self						:     Optional[Any]    ):



           '''simple docstring'''

           UpperCAmelCase      	=		self.head
           while node:
               yield node.data
               UpperCAmelCase      	=		node.next
       def __str__(     self						:     Optional[Any]    ):



           '''simple docstring'''

           return "->".join([str(lowercase    ) for item in self]    )
       def __len__(     self						:     Optional[Any]    ):



           '''simple docstring'''

           return sum(1 for _ in self    )
       def    A				(     self						:     Tuple       ,    lowercase						:     Tuple    ):



           '''simple docstring'''

           self.insert_at_nth(0       ,    lowercase    )
       def    A				(     self						:     List[str]       ,    lowercase						:     Optional[int]    ):



           '''simple docstring'''

           self.insert_at_nth(len(self    )       ,    lowercase    )
       def    A				(     self						:     Any       ,    lowercase						:     int       ,    lowercase						:     List[str]    ):



           '''simple docstring'''

           UpperCAmelCase      	=		len(self    )

           if not 0 <= index <= length:
               raise IndexError('''list index out of range'''    )
           UpperCAmelCase      	=		Node(lowercase    )
           if self.head is None:
               UpperCAmelCase      	=		UpperCAmelCase      	=		new_node
           elif index == 0:
               UpperCAmelCase      	=		new_node
               UpperCAmelCase      	=		self.head
               UpperCAmelCase      	=		new_node
           elif index == length:
               UpperCAmelCase      	=		new_node
               UpperCAmelCase      	=		self.tail
               UpperCAmelCase      	=		new_node
           else:
               UpperCAmelCase      	=		self.head
               for _ in range(0       ,    lowercase    ):
                   UpperCAmelCase      	=		temp.next
               UpperCAmelCase      	=		new_node
               UpperCAmelCase      	=		temp.previous
               UpperCAmelCase      	=		temp
               UpperCAmelCase      	=		new_node
       def    A				(     self						:     int    ):



           '''simple docstring'''

           return self.delete_at_nth(0    )
       def    A				(     self						:     Any    ):



           '''simple docstring'''

           return self.delete_at_nth(len(self    ) - 1    )
       def    A				(     self						:     str       ,    lowercase						:     int    ):



           '''simple docstring'''

           UpperCAmelCase      	=		len(self    )

           if not 0 <= index <= length - 1:
               raise IndexError('''list index out of range'''    )
           UpperCAmelCase      	=		self.head  # default first node
           if length == 1:
               UpperCAmelCase      	=		UpperCAmelCase      	=		None
           elif index == 0:
               UpperCAmelCase      	=		self.head.next
               UpperCAmelCase      	=		None
           elif index == length - 1:
               UpperCAmelCase      	=		self.tail
               UpperCAmelCase      	=		self.tail.previous
               UpperCAmelCase      	=		None
           else:
               UpperCAmelCase      	=		self.head
               for _ in range(0       ,    lowercase    ):
                   UpperCAmelCase      	=		temp.next
               UpperCAmelCase      	=		temp
               UpperCAmelCase      	=		temp.previous
               UpperCAmelCase      	=		temp.next
           return delete_node.data
       def    A				(     self						:     int       ,    lowercase						:     Optional[Any]    ):



           '''simple docstring'''

           UpperCAmelCase      	=		self.head

           while current.data != data:  # Find the position to delete
               if current.next:
                   UpperCAmelCase      	=		current.next
               else:  # We have reached the end an no value matches
                   raise ValueError('''No data matching given value'''    )

           if current == self.head:
               self.delete_head()

           elif current == self.tail:
               self.delete_tail()

           else:  # Before: 1 <--> 2(current) <--> 3
               UpperCAmelCase      	=		current.next  # 1 --> 3
               UpperCAmelCase      	=		current.previous  # 1 <--> 3
           return data







       def    A				(     self						:     List[str]    ):



           '''simple docstring'''

           return len(self    ) == 0






def 						snake_case_							():
    UpperCAmelCase      	=		DoublyLinkedList()
    assert linked_list.is_empty() is True
    assert str(_a					) == ""

    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(1_0					):
        assert len(_a					) == i
        linked_list.insert_at_nth(_a   ,       i + 1					)
    assert str(_a					) == "->".join(str(_a					) for i in range(1   ,       1_1					)					)

    linked_list.insert_at_head(0					)
    linked_list.insert_at_tail(1_1					)
    assert str(_a					) == "->".join(str(_a					) for i in range(0   ,       1_2					)					)

    assert linked_list.delete_head() == 0
    assert linked_list.delete_at_nth(9					) == 1_0
    assert linked_list.delete_tail() == 1_1
    assert len(_a					) == 9
    assert str(_a					) == "->".join(str(_a					) for i in range(1   ,       1_0					)					)


if __name__ == "__main__":
   from doctest import testmod

   testmod()










'''simple docstring'''







import unittest

from transformers import is_torch_available, load_tool

from .test_tools_common import ToolTesterMixin


if is_torch_available():
   import torch


class       _a  (     unittest.TestCase							,							__a			):
       def    A				(     self						:     str    ):



           '''simple docstring'''

           UpperCAmelCase      	=		load_tool('''speech-to-text'''    )
           self.tool.setup()
       def    A				(     self						:     Dict    ):



           '''simple docstring'''

           UpperCAmelCase      	=		self.tool(torch.ones(3_000    )    )
           self.assertEqual(lowercase       ,    ''' you'''    )







       def    A				(     self						:     Dict    ):



           '''simple docstring'''

           UpperCAmelCase      	=		self.tool(audio=torch.ones(3_000    )    )
           self.assertEqual(lowercase       ,    ''' you'''    )




