Linux 源碼安裝 Python3

1. 下載源碼包
   https://www.python.org/downloads/
2. 解壓(以3.64版本為例)
   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. 安裝
   ./configure --prefix=/usr/local/python3
   make && make install 
4. 添加軟鏈接
   ln -s /usr/local/python3/bin/python3 /usr/bin/python3
5. 安裝第三方庫
   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/