code: def get_all_plus_and_delete(self):
          
          res = {}
          props = list(self.plus.keys())  # we delete entries, so no for ... in ...
          for prop in props:
              res[prop] = self.get_plus_and_delete(prop)
          return res
docs: Get all self.plus items of list. We copy it, delete the original and return the copy list
  
          :return: list of self.plus
          :rtype: list