要先安装venv
$ pip install venv
新建
$ python3 -m venv /path/to/new/envrionment
激活
$ source /path/of/new/environment/bin/activate
要先安装venv
$ pip install venv
新建
$ python3 -m venv /path/to/new/envrionment
激活
$ source /path/of/new/environment/bin/activate