第三次看装饰器了！！！！
def newdecorator(i):
def decorator(func):
def restructure(x):
func(x)
print('this is decorator %s%s'%(i,x))
return restructure
return decorator
@newdecorator('?')
def target(x):
print('this is target %s'%x)
target('!')
target(x) == newdecorator(i)(target)(x) == decorator(target)(x) == reconstructure(x)
