





'''simple docstring'''


from __future__ import annotations

from random import random
from typing import Generic, TypeVar

lowerCAmelCase :					int 							=TypeVar('''KT''')
lowerCAmelCase :					Union[str, Any] 							=TypeVar('''VT''')
class 				a_       (    Generic[KT, VT]							):





     def __init__(			self		: Optional[Any]     ,				lowercase		: KT | str = "root"     ,				lowercase		: VT | None = None						):





        """simple docstring"""




        lowercase_      :str         =			key
        lowercase_      :List[Any]         =			value
        lowercase_      :list[Node[KT, VT]]         =			[]





     def __repr__(			self		: Optional[int]						):





        """simple docstring"""




        return F'Node({self.key}: {self.value})'







     @property
     def 							lowercase__				(			self		: Dict						):





        """simple docstring"""




        return len(self.forward						)







class 				a_       (    Generic[KT, VT]							):





     def __init__(			self		: int     ,				lowercase		: float = 0.5     ,				lowercase		: int = 16						):





        """simple docstring"""




        lowercase_      :Node[KT, VT]         =			Node[KT, VT]()
        lowercase_      :str         =			0
        lowercase_      :str         =			p
        lowercase_      :List[Any]         =			max_level





     def __str__(			self		: Tuple						):





        """simple docstring"""




        lowercase_      :Optional[Any]         =			list(self						)

        if len(lowercase						) == 0:
           return F'SkipList(level={self.level})'

        lowercase_      :List[str]         =			max((len(str(lowercase						)						) for item in items)     ,				default=4						)
        lowercase_      :List[str]         =			max(lowercase     ,				4						) + 4

        lowercase_      :Tuple         =			self.head
        lowercase_      :int         =			[]

        lowercase_      :Any         =			node.forward.copy()
        lines.append(F'[{node.key}]'.ljust(lowercase     ,				"-"						) + "* " * len(lowercase						)						)
        lines.append(" " * label_size + "| " * len(lowercase						)						)

        while len(node.forward						) != 0:
           lowercase_      :str         =			node.forward[0]

           lines.append(
               F'[{node.key}]'.ljust(lowercase     ,				"-"						)
               + " ".join(str(n.key						) if n.key == node.key else "|" for n in forwards						)						)
           lines.append(" " * label_size + "| " * len(lowercase						)						)
           lowercase_      :Optional[Any]         =			node.forward

        lines.append("None".ljust(lowercase						) + "* " * len(lowercase						)						)
        return F'SkipList(level={self.level})\n' + "\n".join(lowercase						)





     def __iter__(			self		: int						):





        """simple docstring"""




        lowercase_      :str         =			self.head

        while len(node.forward						) != 0:
           yield node.forward[0].key
           lowercase_      :List[Any]         =			node.forward[0]





     def 							lowercase__				(			self		: Optional[Any]						):





        """simple docstring"""




        lowercase_      :Any         =			1
        while random() < self.p and level < self.max_level:
           level += 1

        return level





     def 							lowercase__				(			self		: Dict     ,				lowercase		: Any						):





        """simple docstring"""




        lowercase_      :Optional[int]         =			[]

        lowercase_      :Dict         =			self.head

        for i in reversed(range(self.level						)						):
           # i < node.level - When node level is lesser than `i` decrement `i`.
           # node.forward[i].key < key - Jumping to node with key value higher
           #                             or equal to searched key would result
           #                             in skipping searched key.
           while i < node.level and node.forward[i].key < key:
              lowercase_      :Optional[int]         =			node.forward[i]
           # Each leftmost node (relative to searched node) will potentially have to
           # be updated.
           update_vector.append(lowercase						)

        update_vector.reverse()  # Note that we were inserting values in reverse order.

        # len(node.forward) != 0 - If current node doesn't contain any further
        #                          references then searched key is not present.
        # node.forward[0].key == key - Next node key should be equal to search key
        #                              if key is present.
        if len(node.forward						) != 0 and node.forward[0].key == key:
           return node.forward[0], update_vector
        else:
           return None, update_vector





     def 							lowercase__				(			self		: Tuple     ,				lowercase		: KT						):





        """simple docstring"""




        lowercase_      ,							lowercase_      :int         =			self._locate_node(lowercase						)

        if node is not None:
           for i, update_node in enumerate(lowercase						):
              # Remove or replace all references to removed node.
              if update_node.level > i and update_node.forward[i].key == key:
                 if node.level > i:
                    lowercase_      :Dict         =			node.forward[i]
                 else:
                    lowercase_      :Optional[int]         =			update_node.forward[:i]





     def 							lowercase__				(			self		: int     ,				lowercase		: KT     ,				lowercase		: VT						):





        """simple docstring"""




        lowercase_      ,							lowercase_      :List[str]         =			self._locate_node(lowercase						)
        if node is not None:
           lowercase_      :str         =			value
        else:
           lowercase_      :Optional[int]         =			self.random_level()

           if level > self.level:
              # After level increase we have to add additional nodes to head.
              for _ in range(self.level - 1     ,				lowercase						):
                 update_vector.append(self.head						)
              lowercase_      :List[str]         =			level

           lowercase_      :Tuple         =			Node(lowercase     ,				lowercase						)

           for i, update_node in enumerate(update_vector[:level]						):
              # Change references to pass through new node.
              if update_node.level > i:
                 new_node.forward.append(update_node.forward[i]						)

              if update_node.level < i + 1:
                 update_node.forward.append(lowercase						)
              else:
                 lowercase_      :List[Any]         =			new_node







     def 							lowercase__				(			self		: str     ,				lowercase		: VT						):





        """simple docstring"""




        lowercase_      ,							lowercase_      :Optional[int]         =			self._locate_node(lowercase						)

        if node is not None:
           return node.value

        return None







def 							UpperCAmelCase_  (						):
   lowercase_      :int         =			SkipList()
   skip_list.insert("Key1"     ,3			)
   skip_list.insert("Key2"     ,12			)
   skip_list.insert("Key3"     ,41			)
   skip_list.insert("Key4"     ,-19			)

   lowercase_      :List[str]         =			skip_list.head
   lowercase_      :Optional[int]         =			{}
   while node.level != 0:
      lowercase_      :Optional[int]         =			node.forward[0]
      lowercase_      :Union[str, Any]         =			node.value

   assert len(__lowerCamelCase			) == 4
   assert all_values["Key1"] == 3
   assert all_values["Key2"] == 12
   assert all_values["Key3"] == 41
   assert all_values["Key4"] == -19
def 							UpperCAmelCase_  (						):
   lowercase_      :List[str]         =			SkipList()
   skip_list.insert("Key1"     ,10			)
   skip_list.insert("Key1"     ,12			)

   skip_list.insert("Key5"     ,7			)
   skip_list.insert("Key7"     ,10			)
   skip_list.insert("Key10"     ,5			)

   skip_list.insert("Key7"     ,7			)
   skip_list.insert("Key5"     ,5			)
   skip_list.insert("Key10"     ,10			)

   lowercase_      :Tuple         =			skip_list.head
   lowercase_      :int         =			{}
   while node.level != 0:
      lowercase_      :List[str]         =			node.forward[0]
      lowercase_      :str         =			node.value

   if len(__lowerCamelCase			) != 4:
      print()
   assert len(__lowerCamelCase			) == 4
   assert all_values["Key1"] == 12
   assert all_values["Key7"] == 7
   assert all_values["Key5"] == 5
   assert all_values["Key10"] == 10
def 							UpperCAmelCase_  (						):
   lowercase_      :Union[str, Any]         =			SkipList()
   assert skip_list.find("Some key"			) is None
def 							UpperCAmelCase_  (						):
   lowercase_      :str         =			SkipList()

   skip_list.insert("Key2"     ,20			)
   assert skip_list.find("Key2"			) == 20

   skip_list.insert("Some Key"     ,10			)
   skip_list.insert("Key2"     ,8			)
   skip_list.insert("V"     ,13			)

   assert skip_list.find("Y"			) is None
   assert skip_list.find("Key2"			) == 8
   assert skip_list.find("Some Key"			) == 10
   assert skip_list.find("V"			) == 13
def 							UpperCAmelCase_  (						):
   lowercase_      :int         =			SkipList()
   skip_list.delete("Some key"			)

   assert len(skip_list.head.forward			) == 0
def 							UpperCAmelCase_  (						):
   lowercase_      :str         =			SkipList()

   skip_list.insert("Key1"     ,12			)
   skip_list.insert("V"     ,13			)
   skip_list.insert("X"     ,14			)
   skip_list.insert("Key2"     ,15			)

   skip_list.delete("V"			)
   skip_list.delete("Key2"			)

   assert skip_list.find("V"			) is None
   assert skip_list.find("Key2"			) is None
def 							UpperCAmelCase_  (						):
   lowercase_      :str         =			SkipList()

   skip_list.insert("Key1"     ,12			)
   skip_list.insert("V"     ,13			)
   skip_list.insert("X"     ,14			)
   skip_list.insert("Key2"     ,15			)

   skip_list.delete("V"			)
   assert skip_list.find("V"			) is None
   assert skip_list.find("X"			) == 14
   assert skip_list.find("Key1"			) == 12
   assert skip_list.find("Key2"			) == 15

   skip_list.delete("X"			)
   assert skip_list.find("V"			) is None
   assert skip_list.find("X"			) is None
   assert skip_list.find("Key1"			) == 12
   assert skip_list.find("Key2"			) == 15

   skip_list.delete("Key1"			)
   assert skip_list.find("V"			) is None
   assert skip_list.find("X"			) is None
   assert skip_list.find("Key1"			) is None
   assert skip_list.find("Key2"			) == 15

   skip_list.delete("Key2"			)
   assert skip_list.find("V"			) is None
   assert skip_list.find("X"			) is None
   assert skip_list.find("Key1"			) is None
   assert skip_list.find("Key2"			) is None
def 							UpperCAmelCase_  (						):
   lowercase_      :Dict         =			SkipList()

   skip_list.insert("Key1"     ,12			)
   skip_list.insert("V"     ,13			)
   skip_list.insert("X"     ,1_42			)
   skip_list.insert("Key2"     ,15			)

   skip_list.delete("X"			)

   def traverse_keys(__lowerCamelCase : int			):
      yield node.key
      for forward_node in node.forward:
         yield from traverse_keys(__lowerCamelCase			)

   assert len(set(traverse_keys(skip_list.head			)			)			) == 4
def 							UpperCAmelCase_  (						):
   def is_sorted(__lowerCamelCase : List[Any]			):
      return all(next_item >= item for item, next_item in zip(__lowerCamelCase     ,lst[1:]			)			)

   lowercase_      :List[Any]         =			SkipList()
   for i in range(10			):
      skip_list.insert(__lowerCamelCase     ,__lowerCamelCase			)
   assert is_sorted(list(__lowerCamelCase			)			)
   skip_list.delete(5			)
   skip_list.delete(8			)
   skip_list.delete(2			)
   assert is_sorted(list(__lowerCamelCase			)			)
   skip_list.insert(-12     ,-12			)
   skip_list.insert(77     ,77			)
   assert is_sorted(list(__lowerCamelCase			)			)
def 							UpperCAmelCase_  (						):
   for _ in range(1_00			):
      # Repeat test 100 times due to the probabilistic nature of skip list
      # random values == random bugs
      test_insert()
      test_insert_overrides_existing_value()

      test_searching_empty_list_returns_none()
      test_search()

      test_deleting_item_from_empty_list_do_nothing()
      test_deleted_items_are_not_founded_by_find_method()
      test_delete_removes_only_given_key()
      test_delete_doesnt_leave_dead_nodes()

      test_iter_always_yields_sorted_values()
def 							UpperCAmelCase_  (						):
   lowercase_      :Union[str, Any]         =			SkipList()
   skip_list.insert(2     ,"2"			)
   skip_list.insert(4     ,"4"			)
   skip_list.insert(6     ,"4"			)
   skip_list.insert(4     ,"5"			)
   skip_list.insert(8     ,"4"			)
   skip_list.insert(9     ,"4"			)

   skip_list.delete(4			)

   print(__lowerCamelCase			)


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 main()









'''simple docstring'''


from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


lowerCAmelCase :					Optional[int] 							={'''configuration_wavlm''': ['''WAVLM_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''WavLMConfig''']}

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 lowerCAmelCase :					Optional[Any] 							=[
     '''WAVLM_PRETRAINED_MODEL_ARCHIVE_LIST''',
     '''WavLMForAudioFrameClassification''',
     '''WavLMForCTC''',
     '''WavLMForSequenceClassification''',
     '''WavLMForXVector''',
     '''WavLMModel''',
     '''WavLMPreTrainedModel''',
 ]

if TYPE_CHECKING:
 from .configuration_wavlm import WAVLM_PRETRAINED_CONFIG_ARCHIVE_MAP, WavLMConfig

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_wavlm import (
      WAVLM_PRETRAINED_MODEL_ARCHIVE_LIST,
      WavLMForAudioFrameClassification,
      WavLMForCTC,
      WavLMForSequenceClassification,
      WavLMForXVector,
      WavLMModel,
      WavLMPreTrainedModel,
  )

else:
 import sys

 lowerCAmelCase :					Union[str, Any] 							=_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)


