code: def get_positions(self, copy=True):
          '''
          Get a dictionary of measurement positions.
          '''
          if copy:
              return self._positions.copy()
          else:
              return self._positionf get_positions(self, copy=True):
          '''
          Get a dictionary of measurement positions.
          '''
          if copy:
              return self._positions.copy()
          else:
              return self._positions
docs: Get a dictionary of measurement positions.