new_contents: # Example script to plot data
  
  import sys
  import pathlib
  import glob
  
  import numpy as np
  import matplotlib.pyplot as plt
  
  
  def load_data(folder: pathlib.Path):
      dtype = np.dtype([("x", "f8"), ("y", "f8"), ("z", "f8")])
      trajectories = {}
      for f in glob.glob(str(folder / "pos*.bin")):
          naif = int(pathlib.Path(f).name[3:-4])
          trajectories[naif] = np.fromfile(f, dtype=dtype)
      return trajectories
  
  
  def base_chart(trajectories: dict):
      for k, v in trajectories.items():
          plt.plot(v["x"], v["y"], label=k)
      plt.gca().set_aspect("equal")
  
  
  def main():
      trajectories = load_data(pathlib.Path(sys.argv[1]))
      base_chart(trajectories)
      plt.show()
  
  
  if __name__ == "__main__":
      main()
  
subject: Add basic Python plotting script