code: def latitude(self):
          '''Latitude in signed degrees (python float)'''
          sd = dm_to_sd(self.lat)
          if self.lat_dir == 'N':
              return +sd
          elif self.lat_dir == 'S':
              return -sd
          else:
              return 0f latitude(self):
          '''Latitude in signed degrees (python float)'''
          sd = dm_to_sd(self.lat)
          if self.lat_dir == 'N':
              return +sd
          elif self.lat_dir == 'S':
              return -sd
          else:
              return 0.
docs: Latitude in signed degrees (python float)