

from __future__ import annotations

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






class 	A_		:
       def __init__(		self		:      Tuple       ,SCREAMING_SNAKE_CASE__		:      dict[str, list[str]]       ,SCREAMING_SNAKE_CASE__		:      str):
        __lowerCamelCase    :    List[Any] 	=			graph
        # mapping node to its parent in resulting breadth first tree
        __lowerCamelCase    :    dict[str, str | None] 	=			{}
        __lowerCamelCase    :    str 	=			source_vertex
       def    lowerCAmelCase					(		self		:      Optional[Any]):
        __lowerCamelCase    :    Tuple 	=			{self.source_vertex}
        __lowerCamelCase    :    Any 	=			None
        __lowerCamelCase    :    List[Any] 	=			[self.source_vertex]  # first in first out queue

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


       def    lowerCAmelCase					(		self		:      Optional[Any]       ,SCREAMING_SNAKE_CASE__		:      str):







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

        __lowerCamelCase    :    Any 	=			self.parent.get(_lowerCamelCase)
        if target_vertex_parent is None:
         __lowerCamelCase    :    Union[str, Any] 	=			(
             F"No path from vertex: {self.source_vertex} to vertex: {target_vertex}"
         )
         raise ValueError(_lowerCamelCase)

        return self.shortest_path(_lowerCamelCase) + F"->{target_vertex}"


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







from __future__ import annotations






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__     ,			lowerCamelCase__      )  ->					bool:
	if len(lowerCamelCase__      ) == 0:
		return False
	__lowerCamelCase    :    List[Any] 	=			len(lowerCamelCase__      ) // 2
	if a_list[midpoint] == item:
		return True
	if item < a_list[midpoint]:
		return binary_search(a_list[:midpoint]     ,			lowerCamelCase__      )
	else:
		return binary_search(a_list[midpoint + 1 :]     ,			lowerCamelCase__      )


if __name__ == "__main__":
					a		=input("""Enter numbers separated by comma:\n""").strip()
					a		=[int(item.strip()) for item in user_input.split(""",""")]
					a		=int(input("""Enter the number to be found in the list:\n""").strip())
					a		="""""" if binary_search(sequence, target) else """not """
					print(F"""{target} was {not_str}found in {sequence}""")




