目录LEGB规则global表达式属性引用与名字引用属性空间小结LEGB规则从Python2.2开始，由于引入了嵌套函数，所以最好的方式应该是内层函数找不到某个变量时先去外层函数找，而不是直接就跑到global空间里面找。
>>>a = '1'>>>print(a)1>>>b = '1'.zfill(2*4)>>>print(b)00000001
import imageio, os, sysdef png_gif(path): png_lst = os.listdir(path) frames = [] for i in png_lst: frames.append(imageio.imread(path +
IssueMaybe after you installed torch, you will found your graphics card can't available on your torch. I guess you must use pip repo or conda repo to
identify verify code imagemachine learnning - identification verify code image - [opencv to identify string, machine learning to identify what string]
When you anxie something you don't have to blame to all something that didn't hit mark befor.See the communication who the be called successed people.
