code: def ticker_pitch(ax=None):
      '''Set the y-axis of the given axes to MIDI frequencies
  
      Parameters
      ----------
      ax : matplotlib.pyplot.axes
          The axes handle to apply the ticker.
          By default, uses the current axes handle.
      '''
      ax, _ = __get_axes(ax=ax)
  
      ax.yaxis.set_major_formatter(FMT_MIDI_HZf ticker_pitch(ax=None):
      '''Set the y-axis of the given axes to MIDI frequencies
  
      Parameters
      ----------
      ax : matplotlib.pyplot.axes
          The axes handle to apply the ticker.
          By default, uses the current axes handle.
      '''
      ax, _ = __get_axes(ax=ax)
  
      ax.yaxis.set_major_formatter(FMT_MIDI_HZ)
docs: Set the y-axis of the given axes to MIDI frequencies
  
      Parameters
      ----------
      ax : matplotlib.pyplot.axes
          The axes handle to apply the ticker.
          By default, uses the current axes handle.