code: def enter_root(self, root):
          '''
          Set self.focus for kwarg queries
          '''
          # There is no collision protection on root name isolation
          if root:
              self.result[root] = self.focus = {}
          else:
              self.focus = self.resulf enter_root(self, root):
          '''
          Set self.focus for kwarg queries
          '''
          # There is no collision protection on root name isolation
          if root:
              self.result[root] = self.focus = {}
          else:
              self.focus = self.result
docs: Set self.focus for kwarg queries