






def 				snake_case__							(							UpperCAmelCase							:  Union[str, Any]       )     ->   Optional[Any]:
    return [
        {
            0: [1, 2],
            1: [0, 2],
            2: [0, 1, 3, 5],
            3: [2, 4],
            4: [3],
            5: [2, 6, 8],
            6: [5, 7],
            7: [6, 8],
            8: [5, 7],
        },
        {
            0: [6],
            1: [9],
            2: [4, 5],
            3: [4],
            4: [2, 3],
            5: [2],
            6: [0, 7],
            7: [6],
            8: [],
            9: [1],
        },
        {
            0: [4],
            1: [6],
            2: [],
            3: [5, 6, 7],
            4: [0, 6],
            5: [3, 8, 9],
            6: [1, 3, 4, 7],
            7: [3, 6, 8, 9],
            8: [5, 7],
            9: [5, 7],
        },
        {
            0: [1, 3],
            1: [0, 2, 4],
            2: [1, 3, 4],
            3: [0, 2, 4],
            4: [1, 2, 3],
        },
    ][index]


def 				snake_case__							(							UpperCAmelCase							:  int       )     ->   list[tuple[int, int]]:
    lowerCAmelCase__   :Any      							=				0
    lowerCAmelCase__   :Tuple      							=				len(UpperCAmelCase       )  # No of vertices in graph
    lowerCAmelCase__   :int      							=				[0] * n
    lowerCAmelCase__   :Tuple      							=				[False] * n

    def dfs(UpperCAmelCase							:  List[str]    ,			UpperCAmelCase							:  Union[str, Any]    ,			UpperCAmelCase							:  List[str]    ,			UpperCAmelCase							:  Tuple       ):
        lowerCAmelCase__   :Union[str, Any]      							=				True
        lowerCAmelCase__   :List[str]      							=				id_
        id_ += 1
        for to in graph[at]:
            if to == parent:
                pass
            elif not visited[to]:
                dfs(UpperCAmelCase    ,			UpperCAmelCase    ,			UpperCAmelCase    ,			id_       )
                lowerCAmelCase__   :str      							=				min(low[at]    ,			low[to]       )
                if id_ <= low[to]:
                    bridges.append((at, to) if at < to else (to, at)       )
            else:
                # This edge is a back edge and cannot be a bridge
                lowerCAmelCase__   :str      							=				min(low[at]    ,			low[to]       )

    lowerCAmelCase__   :list[tuple[int, int]]      							=				[]
    for i in range(UpperCAmelCase       ):
        if not visited[i]:
            dfs(UpperCAmelCase    ,			-1    ,			UpperCAmelCase    ,			id_       )
    return bridges


if __name__ == "__main__":
 import doctest

 doctest.testmod()











from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


_a    :   str        =			{"""configuration_wavlm""": ["""WAVLM_PRETRAINED_CONFIG_ARCHIVE_MAP""", """WavLMConfig"""]}

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 _a    :   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

 _a    :   str        =			_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)



