code: def anglesep(
      lon0: float,
      lat0: float,
      lon1: float,
      lat1: float,
      deg: bool = True,
  ) -> float:
      """
      Parameters
      ----------
  
      lon0 : float
          longitude of first point
      lat0 : float
          latitude of first point
      lon1 : float
          longitude of second point
      lat1 : float
          latitude of second point
      deg : bool, optional
            degrees input/output  (False: radians in/out)
  
      Returns
      -------
  
      sep_rad : float
          angular separation
  
      For reference, this is from astropy astropy/coordinates/angle_utilities.py
      Angular separation between two points on a sphere.
      """
  
      if deg:
          lon0 = radians(lon0)
          lat0 = radians(lat0)
          lon1 = radians(lon1)
          lat1 = radians(lat1)
  
      try:
          sep_rad = angular_separation(lon0, lat0, lon1, lat1)
      except NameError:
          sep_rad = anglesep_meeus(lon0, lat0, lon1, lat1, deg=False)
  
      return degrees(sep_rad) if deg else sep_rad
  
label_desc: Use image node_id 2 for calling a global function with example usage: anglesep(lon0, lat0, lon1, lat1, deg) and returns: unknown