code: def x_label(epoch_axis):
      """
      Get the x axis label depending on the boolean epoch_axis.
  
      Arguments:
          epoch_axis (bool): If true, use Epoch, if false use Minibatch
  
      Returns:
          str: "Epoch" or "Minibatch"
      """
      return "Epoch" if epoch_axis else "Minibatch"
  
label_desc: Use image node_id 1 for calling a global function with example usage: x_label(epoch_axis) and returns: unknown