Linux 源码安装 Python3

From：https://www.cnblogs.com/Mrhuangrui/p/7722531.html

1. 下载源码包
   https://www.python.org/downloads/
2. 解压(以3.64版本为例)
   wget https://www.python.org/ftp/python/3.6.4/Python-3.6.4.tgz
   tar -zxvf Python-3.6.4.tgz
   cd Python-3.6.4
3. 安装
   ./configure --prefix=/usr/local/python3
   make && make install 
4. 添加软链接
   ln -s /usr/local/python3/bin/python3 /usr/bin/python3
5. 安装第三方库
   yum install python-pip  
   pip install --upgrade pip
   python3 -m pip freeze
   python3 -m pip install redis
   python3 -m pip install pymongo
   python3 -m pip install pymysql
   python3 -m pip install configparser
   豆瓣源：
   pip Install：pip install -i https://pypi.douban.com/simple/