code: def set_min_price(self, min_price):
          
  
          if not isinstance(min_price, int):
              raise DaftException("Min price should be an integer.")
  
          self._min_price = str(min_price)
          self._price += str(QueryParam.MIN_PRICE) + self._min_price
docs: The minimum price.
          :param min_price:
          :return: