



'''simple docstring'''





# Author: OMKAR PATHAK, Nwachukwu Chidiebere

# Use a Python dictionary to construct the graph.
from __future__ import annotations

from pprint import pformat
from typing import Generic, TypeVar

_lowerCAmelCase										=     TypeVar('''T''')






class 	lowerCAmelCase_(    Generic[T]					):
  '''simple docstring'''




  def __init__(   self  ,__UpperCAmelCase = True				)   ->		None:
      lowerCAmelCase__			:  dict[T, list[T]]											= {}  # dictionary of lists
      lowerCAmelCase__			:  Optional[int]											= directed




  def 							UpperCAmelCase_     (   self  ,__UpperCAmelCase  ,__UpperCAmelCase				)   ->		GraphAdjacencyList[T]:

      if not self.directed:  # For undirected graphs
          # if both source vertex and destination vertex are both present in the
          # adjacency list, add destination vertex to source vertex list of adjacent
          # vertices and add source vertex to destination vertex list of adjacent
          # vertices.
          if source_vertex in self.adj_list and destination_vertex in self.adj_list:
              self.adj_list[source_vertex].append(__UpperCAmelCase				)
              self.adj_list[destination_vertex].append(__UpperCAmelCase				)
          # if only source vertex is present in adjacency list, add destination vertex
          # to source vertex list of adjacent vertices, then create a new vertex with
          # destination vertex as key and assign a list containing the source vertex
          # as it's first adjacent vertex.
          elif source_vertex in self.adj_list:
              self.adj_list[source_vertex].append(__UpperCAmelCase				)
              lowerCAmelCase__			:  Optional[int]											= [source_vertex]
          # if only destination vertex is present in adjacency list, add source vertex
          # to destination vertex list of adjacent vertices, then create a new vertex
          # with source vertex as key and assign a list containing the source vertex
          # as it's first adjacent vertex.
          elif destination_vertex in self.adj_list:
              self.adj_list[destination_vertex].append(__UpperCAmelCase				)
              lowerCAmelCase__			:  Union[str, Any]											= [destination_vertex]
          # if both source vertex and destination vertex are not present in adjacency
          # list, create a new vertex with source vertex as key and assign a list
          # containing the destination vertex as it's first adjacent vertex also
          # create a new vertex with destination vertex as key and assign a list
          # containing the source vertex as it's first adjacent vertex.
          else:
              lowerCAmelCase__			:  Dict											= [destination_vertex]
              lowerCAmelCase__			:  Optional[Any]											= [source_vertex]
      else:  # For directed graphs
          # if both source vertex and destination vertex are present in adjacency
          # list, add destination vertex to source vertex list of adjacent vertices.
          if source_vertex in self.adj_list and destination_vertex in self.adj_list:
              self.adj_list[source_vertex].append(__UpperCAmelCase				)
          # if only source vertex is present in adjacency list, add destination
          # vertex to source vertex list of adjacent vertices and create a new vertex
          # with destination vertex as key, which has no adjacent vertex
          elif source_vertex in self.adj_list:
              self.adj_list[source_vertex].append(__UpperCAmelCase				)
              lowerCAmelCase__			:  Optional[int]											= []
          # if only destination vertex is present in adjacency list, create a new
          # vertex with source vertex as key and assign a list containing destination
          # vertex as first adjacent vertex
          elif destination_vertex in self.adj_list:
              lowerCAmelCase__			:  str											= [destination_vertex]
          # if both source vertex and destination vertex are not present in adjacency
          # list, create a new vertex with source vertex as key and a list containing
          # destination vertex as it's first adjacent vertex. Then create a new vertex
          # with destination vertex as key, which has no adjacent vertex
          else:
              lowerCAmelCase__			:  Tuple											= [destination_vertex]
              lowerCAmelCase__			:  Optional[int]											= []

      return self






  def __repr__(   self				)   ->		str:
      return pformat(self.adj_list				)







'''simple docstring'''





from ..utils import DummyObject, requires_backends






class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				int           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Optional[int]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		str:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				str           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Optional[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Union[str, Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				int           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Tuple:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Dict           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Dict:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[str]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Dict           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Any:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Tuple           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Union[str, Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[int]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[str]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Union[str, Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[int]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[str]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				List[str]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Any:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Tuple           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[str]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Dict           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Union[str, Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Tuple           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		str:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				List[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Optional[int]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				int           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Optional[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Tuple           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Dict:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				str           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Union[str, Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				List[str]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Any:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Optional[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[int]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		str:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Any           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		int:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				List[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[str]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Tuple           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		str:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				Optional[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		Optional[int]:
      requires_backends(self  ,["""sentencepiece"""]				)







class 	lowerCAmelCase_(    metaclass=SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  __lowercase							:				List[Any]           =				['''sentencepiece''']




  def __init__(   self  ,*__UpperCAmelCase  ,**__UpperCAmelCase				)   ->		List[Any]:
      requires_backends(self  ,["""sentencepiece"""]				)


