conda下载 https://docs.conda.io/en/latest/miniconda.html
国内镜像
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/bioconda
conda config --set show_channel_urls yes
创建python环境
conda create -n dev python=2.7
切换环境
source activate dev
mac m1的机器请使用Miniforge3 参考下面的两篇文章
https://article.itxueyuan.com/ylLxJ8
https://blog.csdn.net/weixin_43669978/article/details/120929179