code: def _create_connections(self, graph_matrix):
          
          
          for row in range(0, len(graph_matrix)):
              for column in range (0, len(graph_matrix[row])):
                  if (graph_matrix[row][column] > 0):
                      self.set_connection(row, column);
docs: !
          @brief Creates connection in the network in line with graph.
          
          @param[in] graph_matrix (list): Matrix representation of the graph.