code: def decode(geohash):
      
      lat, lon, lat_err, lon_err = decode_exactly(geohash)
      # Format to the number of decimals that are known
      lats = "%.*f" % (max(1, int(round(-log10(lat_err)))) - 1, lat)
      lons = "%.*f" % (max(1, int(round(-log10(lon_err)))) - 1, lon)
      if '.' in lats: lats = lats.rstrip('0')
      if '.' in lons: lons = lons.rstrip('0')
      return lats, lons
docs: Decode geohash, returning two strings with latitude and longitude
      containing only relevant digits and with trailing zeroes removed.