code: def get_nodes_positions(self):
          
          nodes = self.get_nodes()
          output = {}
          for node in nodes:
              output[node[0]] = (float(node[1][consts.Consts.x]), float(node[1][consts.Consts.y]))
          return output
docs: Getter method for nodes positions.
  
          :return: A dictionary with nodes as keys and positions as values