code: def storageLevel(self):
          
          java_storage_level = self._jdf.storageLevel()
          storage_level = StorageLevel(java_storage_level.useDisk(),
                                       java_storage_level.useMemory(),
                                       java_storage_level.useOffHeap(),
                                       java_storage_level.deserialized(),
                                       java_storage_level.replication())
          return storage_level
docs: Get the :class:`DataFrame`'s current storage level.
  
          >>> df.storageLevel
          StorageLevel(False, False, False, False, 1)
          >>> df.cache().storageLevel
          StorageLevel(True, True, False, True, 1)
          >>> df2.persist(StorageLevel.DISK_ONLY_2).storageLevel
          StorageLevel(True, False, False, False, 2)