code: def positions(self):
          '''List of positions for linear degrees of freedom.'''
          return [self.ode_obj.getPosition(i) for i in range(self.LDOF)f positions(self):
          '''List of positions for linear degrees of freedom.'''
          return [self.ode_obj.getPosition(i) for i in range(self.LDOF)]
docs: List of positions for linear degrees of freedom.