docs: def define_plot_data(data, x_name, *y_names):
      """
      Defines the data to be plotted.
  
      :param data:
          All data.
      :type data: dict
  
      :param x_name:
          x-axes name.
      :type x_name: str
  
      :param y_names:
          y-axes names to be plotted.
      :type y_names: str
  
      :return:
          Data to be plotted.
      :rtype: list
      """
      it = []
      for k in y_names:
          it.append({
              'x': data[x_name],
              'y': data[k],
              'name': k
          })
      return it