code: def plot_band(kind, band):
      """Plot activity within a frequency band on the subject's brain."""
      title = "%s %s\n(%d-%d Hz)" % (
          (
              titles[kind],
              band,
          )
          + freq_bands[band]
      )
      topos[kind][band].plot_topomap(
          times=0.0,
          scalings=1.0,
          cbar_fmt="%0.1f",
          vlim=(0, None),
          cmap="inferno",
          time_format=title,
      )
      brain = stcs[kind][band].plot(
          subject=subject,
          subjects_dir=subjects_dir,
          views="cau",
          hemi="both",
          time_label=title,
          title=title,
          colormap="inferno",
          time_viewer=False,
          show_traces=False,
          clim=dict(kind="percent", lims=(70, 85, 99)),
          smoothing_steps=10,
      )
      brain.show_view(azimuth=0, elevation=0, roll=0)
      return fig, brain
  
label_desc: Use image node_id 1 for calling a global function with example usage: plot_band(kind, band) and returns: fig,  brain