- let具有作用域属性
for i in [1,2,3,4,5]:
var i = i
这样相当于直接输出 i = 5
for i in [1,2,3,4,5]:
let i = i
相当于
i = 1
i = 2
i = 3
i = 4
i = 5
分别执行了五次，分别是各个的作用域，不会被覆盖
© 本文著作权归作者所有，转载前请务必署名
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for i in [1,2,3,4,5]:
var i = i
这样相当于直接输出 i = 5
for i in [1,2,3,4,5]:
let i = i
相当于
i = 1
i = 2
i = 3
i = 4
i = 5
分别执行了五次，分别是各个的作用域，不会被覆盖
© 本文著作权归作者所有，转载前请务必署名
>>>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 +
let's use torch to create first neural network: according we input data to trainning model by itself.import torchfrom torch.nn import functionalfrom m
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]