code: def store_meta(self,meta):
          "Inplace method that adds meta information to the meta dictionary"
          if self.meta is None:
              self.meta = {}
          self.meta.update(meta)
          return self store_meta(self,meta):
          "Inplace method that adds meta information to the meta dictionary"
          if self.meta is None:
              self.meta = {}
          self.meta.update(meta)
          return self
docs: Inplace method that adds meta information to the meta dictionary