python析构函数

            #
            !/user/bin/python
            
#
            -*-coding:UTF-8-*-
            from
            __future__
            import print_function  # 兼容python2.x和python3.x的print语句class Fruit(object):
    def__init__(self,color):# 初始化属性__color
        self.__color = color
        print(self.__color)
 
    def__del__(self):# 析构函数
        self.__color = ""print("free...")
     
    def grow(self):
        print("grow...")
 
if__name__=="__main__":
    color = "red"
    fruit = Fruit(color)
    fruit.grow（）