视频课程code：https://github.com/dragen1860/DeepLearningTutorials
pytorch论文中代码学习：https://blog.csdn.net/Chen_yuazzy/article/details/81002507
pytorch升级 conda不行就改成pip:
pip3 install https://download.pytorch.org/whl/cu80/torch-1.0.1.post2-cp36-cp36m-linux_x86_64.whl
pip3 install torchvision