docs: def label_saves(name):
      """Labels plots and saves file"""
      plt.legend(loc=0)
      plt.ylim([0, 1.025])
      plt.xlabel('$U/D$', fontsize=20)
      plt.ylabel('$Z$', fontsize=20)
      plt.savefig(name, dpi=300, format='png',
              transparent=False, bbox_inches='tight', pad_inches=0.05)