code: def delete_edge_by_nodes(self, node_a, node_b):
          
          node = self.get_node(node_a)
  
          # Determine the edge ids
          edge_ids = []
          for e_id in node['edges']:
              edge = self.get_edge(e_id)
              if edge['vertices'][1] == node_b:
                  edge_ids.append(e_id)
  
          # Delete the edges
          for e in edge_ids:
              self.delete_edge_by_id(e)
docs: Removes all the edges from node_a to node_b from the graph.