

'''simple docstring'''







class     A__					:



    def __init__(    self				)  ->					Any:





           '''simple docstring'''
           A_		    =					{}



    def     snake_case_	(    self				)  ->					Optional[int]:





           '''simple docstring'''
           print(self.vertex				)
           for i in self.vertex:
                  print(UpperCamelCase__						, """ -> """						, """ -> """.join([str(UpperCamelCase__				) for j in self.vertex[i]]				)				)



    def     snake_case_	(    self						, UpperCamelCase__						, UpperCamelCase__				)  ->					Tuple:





           '''simple docstring'''






           if from_vertex in self.vertex:
                  self.vertex[from_vertex].append(UpperCamelCase__				)
           else:
                  # else make a new vertex
                  A_		    =					[to_vertex]



    def     snake_case_	(    self				)  ->					Dict:





           '''simple docstring'''
           A_		    =					[False] * len(self.vertex				)

           # call the recursive helper function
           for i in range(len(self.vertex				)				):
                  if not visited[i]:
                         self.dfs_recursive(UpperCamelCase__						, UpperCamelCase__				)







    def     snake_case_	(    self						, UpperCamelCase__						, UpperCamelCase__				)  ->					str:





           '''simple docstring'''
           A_		    =					True

           print(UpperCamelCase__						, end=""" """				)

           # Recur for all the vertices that are adjacent to this node
           for i in self.vertex:
                  if not visited[i]:
                         self.dfs_recursive(UpperCamelCase__						, UpperCamelCase__				)


if __name__ == "__main__":
      __lowerCamelCase										=			Graph()
      g.add_edge(0, 1)
      g.add_edge(0, 2)
      g.add_edge(1, 2)
      g.add_edge(2, 0)
      g.add_edge(2, 3)
      g.add_edge(3, 3)

      g.print_graph()
      print('''DFS:''')
      g.dfs()

      # OUTPUT:
      # 0  ->  1 -> 2
      # 1  ->  2
      # 2  ->  0 -> 3
      # 3  ->  3
      # DFS:
      #  0 1 2 3




"""simple docstring"""






from ..utils import DummyObject, requires_backends





class      lowerCamelCase__   (     metaclass=A				):







					"""simple docstring"""


					__a	       =							["""note_seq"""]






					def __init__(       self    : List[Any] ,       *UpperCamelCase    : List[Any] ,       **UpperCamelCase    : Tuple  ):
												'''simple docstring'''






												requires_backends(self ,       ["""note_seq"""]  )






					@classmethod
					def lowerCamelCase__							(       cls    : Union[str, Any] ,       *UpperCamelCase    : Union[str, Any] ,       **UpperCamelCase    : str  ):
												'''simple docstring'''






												requires_backends(cls ,       ["""note_seq"""]  )






					@classmethod
					def lowerCamelCase__							(       cls    : List[str] ,       *UpperCamelCase    : Optional[Any] ,       **UpperCamelCase    : Union[str, Any]  ):
												'''simple docstring'''






												requires_backends(cls ,       ["""note_seq"""]  )
