code: public Graph<K, VV, EV> removeVertices(List<Vertex<K, VV>> verticesToBeRemoved) {
  		return removeVertices(this.context.fromCollection(verticesToBeRemoved));
  	}
docs: Removes the given list of vertices and its edges from the graph.
  
  @param verticesToBeRemoved the list of vertices to be removed
  @return the resulted graph containing the initial vertices and edges minus the vertices
  and edges removed.