code: def make_ext(ll_x, ur_x, ll_y, ur_y, h):
      """Create the area extent from computed ll and ur.
  
      Args:
          ll_x: The lower left x coordinate (m)
          ur_x: The upper right x coordinate (m)
          ll_y: The lower left y coordinate (m)
          ur_y: The upper right y coordinate (m)
          h: The satellite altitude above the Earth's surface
      Returns:
          aex: An area extent for the scene
  
      """
      aex = (
          np.deg2rad(ll_x) * h,
          np.deg2rad(ll_y) * h,
          np.deg2rad(ur_x) * h,
          np.deg2rad(ur_y) * h,
      )
  
      return aex
  
file_path: satpy/satpy/readers/_geos_area.py
imports: import numpy
  from pyresample import geometry
label_desc: Use image node_id 2 for calling a global function with example usage: make_ext(ll_x, ur_x, ll_y, ur_y, h) and returns: aex