code: def get_lon_lat(pixel, nav_params):
      """Get longitude and latitude coordinates for a given image pixel.
  
      Args:
          pixel (Pixel): Point in image coordinates.
          nav_params (PixelNavigationParameters): Navigation parameters for a
              single pixel.
  
      Returns:
          Longitude and latitude in degrees.
      """
      scan_angles = transform_image_coords_to_scanning_angles(
          pixel,
          nav_params.proj_params.image_offset,
          nav_params.proj_params.scanning_angles,
      )
      view_vector_sat = transform_scanning_angles_to_satellite_coords(
          scan_angles,
          nav_params.proj_params.scanning_angles.misalignment,
      )
      view_vector_earth_fixed = (
          transform_satellite_to_earth_fixed_coords(
              view_vector_sat, nav_params.orbit, nav_params.attitude
          )
      )
      point_on_earth = intersect_with_earth(
          view_vector_earth_fixed,
          nav_params.orbit.sat_position,
          nav_params.proj_params.earth_ellipsoid,
      )
      lon, lat = transform_earth_fixed_to_geodetic_coords(
          point_on_earth,
          nav_params.proj_params.earth_ellipsoid.flattening,
      )
      return lon, lat
  
imports: from collections import namedtuple
  import dask.array
  import numba
  import numpy
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 9 for calling a global function with example usage: get_lon_lat(pixel, nav_params) and returns: lon,  lat