code: def delete(self):
          
          if not self.get("_rev"):
              raise CloudantDocumentException(103)
  
          del_resp = self.r_session.delete(
              self.document_url,
              params={"rev": self["_rev"]},
          )
          del_resp.raise_for_status()
          _id = self['_id']
          self.clear()
          self['_id'] = _id
docs: Removes the document from the remote database and clears the content of
          the locally cached Document object with the exception of the ``_id``
          field.  In order to successfully remove a document from the remote
          database, a ``_rev`` value must exist in the locally cached Document
          object.