import pickle
class Bird(object):
fly = True
legs = 2
def __init__(self) :
print("初始化")
def callback(self,call):
call();
def getfunction(self):
#闭包
def ret():
print('callback running')
return ret;
summer = Bird()
#序列化
picklestring = pickle.dumps(summer);
print(picklestring)
summer.callback(summer.getfunction())
str = 'abc'
print(str[1:-1])