<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_lonlats(self):
 """Get longitude and latitude arrays from the file."""

        longitudes = self.get_sds_variable('Longitude')
        latitudes = self.get_sds_variable('Latitude')
        return longitudes, latitudes