


from dataclasses import dataclass, field
from typing import TYPE_CHECKING, Any, ClassVar, Dict, List, Optional, Union

import pyarrow as pa


if TYPE_CHECKING:
						from .features import FeatureType







@dataclass
class 	snake_case_       :
					UpperCAmelCase__ :   List[str]
					UpperCAmelCase__ :   Optional[str]   				=      None
					# Automatically constructed
					UpperCAmelCase__ :   ClassVar[str]   				=      "dict"
					UpperCAmelCase__ :   ClassVar[Any]   				=      None
					UpperCAmelCase__ :   str   				=      field(default='''Translation'''     ,						init=lowerCamelCase_     ,						repr=lowerCamelCase_				)
					def __call__(				self       :str				) ->   int:
												return pa.struct({lang: pa.string() for lang in sorted(self.languages				)}				)



					def 			lowerCamelCase__(				self       :Tuple				) ->   Union["FeatureType", Dict[str, "FeatureType"]]:
												from .features import Value

												return {k: Value('string'				) for k in sorted(self.languages				)}







@dataclass
class 	snake_case_       :
					UpperCAmelCase__ :   Optional[List]   				=      None
					UpperCAmelCase__ :   Optional[int]   				=      None
					UpperCAmelCase__ :   Optional[str]   				=      None
					# Automatically constructed
					UpperCAmelCase__ :   ClassVar[str]   				=      "dict"
					UpperCAmelCase__ :   ClassVar[Any]   				=      None
					UpperCAmelCase__ :   str   				=      field(default='''TranslationVariableLanguages'''     ,						init=lowerCamelCase_     ,						repr=lowerCamelCase_				)
					def 			lowerCamelCase__(				self       :List[str]				) ->   Optional[Any]:
												a__					=					sorted(set(self.languages				)				) if self.languages else None
												a__					=					len(self.languages				) if self.languages else None
					def __call__(				self       :Any				) ->   Dict:
												return pa.struct({'language': pa.list_(pa.string()				), 'translation': pa.list_(pa.string()				)}				)
					def 			lowerCamelCase__(				self       :str      ,__snake_case       :str				) ->   List[Any]:
												a__					=					set(self.languages				)
												if self.languages and set(__snake_case				) - lang_set:
																			raise ValueError(
																			    F'Some languages in example ({", ".join(sorted(set(__snake_case				) - lang_set				)				)}) are not in valid set ({", ".join(__snake_case				)}).'				)

												# Convert dictionary into tuples, splitting out cases where there are
												# multiple translations for a single language.
												a__					=					[]
												for lang, text in translation_dict.items():
																			if isinstance(__snake_case      ,__snake_case				):
																										translation_tuples.append((lang, text)				)
																			else:
																										translation_tuples.extend([(lang, el) for el in text]				)

        # Ensure translations are in ascending order by language code.
												a__				, a__					=					zip(*sorted(__snake_case				)				)

												return {"language": languages, "translation": translations}



					def 			lowerCamelCase__(				self       :List[Any]				) ->   Union["FeatureType", Dict[str, "FeatureType"]]:
												from .features import Sequence, Value

												return {
												    "language": Sequence(Value('string'				)				),
												    "translation": Sequence(Value('string'				)				),
												}








def 							__lowercase       (			__lowerCAmelCase							:    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 							__lowercase       (			__lowerCAmelCase							:    dict[int, list[int]]       ):
							a__					=					0
							a__					=					len(__lowerCAmelCase       )  # No of vertices in graph
							a__					=					[0] * n
							a__					=					[False] * n

							def dfs(__lowerCAmelCase							:    int ,   __lowerCAmelCase							:    Any ,   __lowerCAmelCase							:    Dict ,   __lowerCAmelCase							:    Tuple       ):
														a__					=					True
														a__					=					id_
														id_ += 1
														for to in graph[at]:
																					if to == parent:
																												pass
																					elif not visited[to]:
																												dfs(__lowerCAmelCase ,   __lowerCAmelCase ,   __lowerCAmelCase ,   id_       )
																												a__					=					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
																												a__					=					min(low[at] ,   low[to]       )

							a__					=					[]
							for i in range(__lowerCAmelCase       ):
														if not visited[i]:
																					dfs(__lowerCAmelCase ,   -1 ,   __lowerCAmelCase ,   id_       )
							return bridges


if __name__ == "__main__":
						import doctest

						doctest.testmod()




