code: def db_aws_list_regions(self):
          ''' List AWS DB regions '''
          regions = self.db_services.list_regions()
          if regions != []:
              print "Avaliable AWS regions:"
          for reg in regions:
              print '\t' + reg,
              if reg == self.db_services.get_region():
                  print "(currently selected)"
              else:
                  print 'f db_aws_list_regions(self):
          ''' List AWS DB regions '''
          regions = self.db_services.list_regions()
          if regions != []:
              print "Avaliable AWS regions:"
          for reg in regions:
              print '\t' + reg,
              if reg == self.db_services.get_region():
                  print "(currently selected)"
              else:
                  print ''
docs: List AWS DB regions