xirongxudlut 2020-06-09
def fun(): s="python" print("%s address is %d" % (s,id(s))) return s f=fun() print("%s address is %d" % (f,id(f))) 运行结果: python address is 3049855780144 python address is 3049855780144 函数返回时,通过对地址的引用得到python ,即r 和s都是对py所在内存空间的引用