code: def peek_meter(self):
          '''Returns a dict of all meters and their values.'''
          result = {}
          for key in self.meter.keys():
              val = self.meter[key].value()
              val = val[0] if isinstance(val, (list, tuple)) else val
              result[key] = val
          return resulf peek_meter(self):
          '''Returns a dict of all meters and their values.'''
          result = {}
          for key in self.meter.keys():
              val = self.meter[key].value()
              val = val[0] if isinstance(val, (list, tuple)) else val
              result[key] = val
          return result
docs: Returns a dict of all meters and their values.