anaconda&Pytorch安装教程，成功率高，全程不啰嗦，易懂解决返回fa

.condarc内容必须如下:

channels:

 - defaults

show_channel_urls: true

default_channels:

 - http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main

 - http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r

 - http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2

custom_channels:

 conda-forge: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

 msys2: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

 bioconda: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

 menpo: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

 pytorch: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

 pytorch-lts: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

 simpleitk: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud