code: def set_parameter_bounds(self, name, par, bounds):
          
          idx = self.like.par_index(name, par)
          self.like[idx].setBounds(*bounds)
          self._sync_params(name)
docs: Set the bounds on the scaled value of a parameter.
  
          Parameters
          ----------
  
          name : str
              Source name.
  
          par : str
              Parameter name.
  
          bounds : list
              Upper and lower bound.