code: def s3_app_bucket(self, include_region=False):
          
          if include_region:
              s3_app_bucket = self.format['s3_app_region_bucket'].format(**self.data)
          else:
              s3_app_bucket = self.format['s3_app_bucket'].format(**self.data)
          return s3_app_bucket
docs: Generate s3 application bucket name.
  
          Args:
              include_region (bool): Include region in the name generation.