python常用库的官方手册

python 官方英文文档 https://docs.python.org

python 官方中文文档 https://docs.python.org/zh-cn/

python 3.5.2 第三方中文文档 https://yiyibooks.cn/xx/python_352/index.html

python 2.7.8 第三方中文文档 https://yiyibooks.cn/yy/python_278/index.html

python3 cookbook https://python3-cookbook.readthedocs.io/zh_CN/latest/

其他：

	英文文档及其它第三方文档 https://www.scipy.org/docs.html	AIdocs中文文档 https://www.aidocs.cn/	一译中文文档 https://yiyibooks.cn/
numpy	https://numpy.org/devdocs/ https://numpy.org/devdocs/contents.html https://docs.scipy.org/doc/numpy/	https://www.numpy.org.cn/	https://yiyibooks.cn/xx/NumPy_v111/index.html
pandas	https://pandas.pydata.org/pandas-docs/stable/	https://www.pypandas.cn/	https://yiyibooks.cn/meikunyuan6/pandas/pandas/index.html
matplotlib	https://matplotlib.org/contents.html	https://www.matplotlib.org.cn/
scipy	https://docs.scipy.org/doc/scipy/reference/		https://yiyibooks.cn/sorakunnn/scipy-1.0.0/scipy-1.0.0/index.html
opencv	https://docs.opencv.org/4.1.2/ http://www.opencv.org.cn/opencvdoc/2.3.2/html/index.html https://opencv-python-tutroals.readthedocs.io https://www.w3cschool.cn/opencv/