定义模型
查看groupby循环结构
for i in data1.groupby(['co1','co2']):
print(i)
- 可看出groupby是由groupby（by=‘’）的by里面的tuple + 全部字段+index+value来循环的
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for i in data1.groupby(['co1','co2']):
print(i)
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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。
startwe know the origin npm resource are base in github, But we china area can not stable connect with github. But the china some big business will mi
>>>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