python设置

python -m pip install -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com --upgrade pip

pip config set global.index-url http://mirrors.aliyun.com/pypi/simple

pip freeze > requirements.txt

whereis python

sudo apt install virtualenv -y

virtualenv (-p 解释器路径) <虚拟环境名>

virtualenv venv

virtualenv -p /usr/bin/python3.8 venv

source venv/bin/activate

deactivate