






from __future__ import annotations

lowerCamelCase__							=     {
    """A""": ["""B""", """C""", """E"""],
    """B""": ["""A""", """D""", """E"""],
    """C""": ["""A""", """F""", """G"""],
    """D""": ["""B"""],
    """E""": ["""A""", """B""", """D"""],
    """F""": ["""C"""],
    """G""": ["""C"""],
}




class 			snake_case__   :

       '''simple docstring'''



       def __init__(							self			,						a__			,						a__    ) ->      None:






            '''simple docstring'''





            __snake_case			:Any          =						graph
            # mapping node to its parent in resulting breadth first tree
            __snake_case			:dict[str, str | None]          =						{}
            __snake_case			:Dict          =						source_vertex



       def 					__lowercase						(							self    ) ->      None:






            '''simple docstring'''





            __snake_case			:Optional[Any]          =						{self.source_vertex}
            __snake_case			:List[str]          =						None
            __snake_case			:Optional[int]          =						[self.source_vertex]  # first in first out queue

            while queue:
                 __snake_case			:Optional[Any]          =						queue.pop(0    )
                 for adjacent_vertex in self.graph[vertex]:
                      if adjacent_vertex not in visited:
                           visited.add(a__    )
                           __snake_case			:List[str]          =						vertex
                           queue.append(a__    )



       def 					__lowercase						(							self			,						a__    ) ->      str:






            '''simple docstring'''





            if target_vertex == self.source_vertex:
                 return self.source_vertex

            __snake_case			:str          =						self.parent.get(a__    )
            if target_vertex_parent is None:
                 __snake_case			:Optional[int]          =						(
                     F'''No path from vertex: {self.source_vertex} to vertex: {target_vertex}'''
                 )
                 raise ValueError(a__    )

            return self.shortest_path(a__    ) + F'''->{target_vertex}'''


if __name__ == "__main__":
     lowerCamelCase__							=     Graph(graph, """G""")
     g.breath_first_search()
     print(g.shortest_path("""D"""))
     print(g.shortest_path("""G"""))
     print(g.shortest_path("""Foo"""))










def   UpperCamelCase  (       snake_case__     :   str	,snake_case__     :   int  ):




     '''simple docstring'''






     __snake_case			:list[list[str]]          =						[[] for _ in range(snake_case__  )]
     __snake_case			:Union[str, Any]          =						key - 1

     if key <= 0:
          raise ValueError("""Height of grid can't be 0 or negative"""  )
     if key == 1 or len(snake_case__  ) <= key:
          return input_string

     for position, character in enumerate(snake_case__  ):
          __snake_case			:Any          =						position % (lowest * 2)  # puts it in bounds
          __snake_case			:Optional[int]          =						min(snake_case__	,lowest * 2 - num  )  # creates zigzag pattern
          temp_grid[num].append(snake_case__  )
     __snake_case			:List[Any]          =						["""""".join(snake_case__  ) for row in temp_grid]
     __snake_case			:Any          =						"""""".join(snake_case__  )

     return output_string






def   UpperCamelCase  (       snake_case__     :   str	,snake_case__     :   int  ):




     '''simple docstring'''






     __snake_case			:Union[str, Any]          =						[]
     __snake_case			:Optional[int]          =						key - 1

     if key <= 0:
          raise ValueError("""Height of grid can't be 0 or negative"""  )
     if key == 1:
          return input_string

     __snake_case			:list[list[str]]          =						[[] for _ in range(snake_case__  )]  # generates template
     for position in range(len(snake_case__  )  ):
          __snake_case			:List[str]          =						position % (lowest * 2)  # puts it in bounds
          __snake_case			:int          =						min(snake_case__	,lowest * 2 - num  )  # creates zigzag pattern
          temp_grid[num].append("""*"""  )

     __snake_case			:str          =						0
     for row in temp_grid:  # fills in the characters
          __snake_case			:str          =						input_string[counter : counter + len(snake_case__  )]
          grid.append(list(snake_case__  )  )
          counter += len(snake_case__  )

     __snake_case			:Any          =						""""""  # reads as zigzag
     for position in range(len(snake_case__  )  ):
          __snake_case			:Optional[int]          =						position % (lowest * 2)  # puts it in bounds
          __snake_case			:int          =						min(snake_case__	,lowest * 2 - num  )  # creates zigzag pattern
          output_string += grid[num][0]
          grid[num].pop(0  )
     return output_string






def   UpperCamelCase  (       snake_case__     :   str  ):




     '''simple docstring'''






     __snake_case			:Optional[Any]          =						{}
     for key_guess in range(1	,len(snake_case__  )  ):  # tries every key
          __snake_case			:Dict          =						decrypt(snake_case__	,snake_case__  )
     return results


if __name__ == "__main__":
     import doctest

     doctest.testmod()


