code: def panel(ax, val, name: str, cmap: str = None):
      hi = ax.pcolormesh(lon, lat, val, cmap=cmap)
      ax.set_title(name)
      fg.colorbar(hi, ax=ax).set_label(name + " [m]")
      ax.set_xlabel("longitude [deg]")
  
imports: import argparse
  import matplotlib.pyplot
  import numpy
  import pymap3d
label_desc: Use image node_id 1 for calling a global function with example usage: panel(ax, val, name, cmap) without return types