Building virtual environments/构建虚拟环境/在Linux 系统下安装python3.7

Building virtual environments/构建虚拟环境，在Linux 系统下安装python3.7

因为实验室的服务器老是被其他人占用…基本隔一段时间需要配置环境，做个记录…然后建立一个虚拟环境，任我折腾…也不怕弄乱服务器的配置~Linux原本带有py3.5和2.7…

构建虚拟环境

1. Installing virtualenv
   Linux / macOS:
   python3 -m pip install --user virtualenv
   Windows:
   py -m pip install --user virtualenv
2. Creating a virtual environment
   Linux / macOS:
   python3 -m venv env
   (If you are using Python 2, replace venv with virtualenv
   in the below commands.)
   Windows:
   py -m venv env
3. Activating a virtual environment
   Linux / macOS:
   source …/env/bin/activate
   Windows:
   .envScriptsactivate
4. Leaving the virtual environment
   deactivate
5. Installing packages
   pip install requests

在Linux 系统下安装python3.7

1. sudo apt update
2. sudo apt install software-properties-common
3. sudo add-apt-repository ppa:deadsnakes/ppa
4. sudo apt update
5. sudo apt install python3.7
6. python3.7 --version
   Ubuntu修改默认Python版本
   https://blog.csdn.net/White_Idiot/article/details/78240298

[2]https://websiteforstudents.com/installing-the-latest-python-3-7-on-ubuntu-16-04-18-04/

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