Table of Contents
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1 文本数据（csv,txt）
- read_csv() : 加载带分隔符的数据，默认分隔符为逗号
- read_table() : 加载带分割的数据，默认分隔符为制表符
1.1 Requirements
安装Pymysql包： conda install pymysql
1: from PIL import Image 2: import numpy as np 3: im=np.array(Image.open('/path/of/image')) 4: print(im.shape,im.dtype) 5: 6: b=[255,255,255]-im #灰度变化 7: new_im=Image.fromarray(b.astype('uint8')) 8: new_im.save('/path/of/changed/image')