CentOS7安装python3.6

源自：centos7编译安装Python3.6（与2.7并存）

环境准备：

yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel

安装：

wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
tar -zxvf Python-3.6.5.tgz
mv Python-3.6.5 /usr/local

//删除旧依赖
ll /usr/bin | grep python
rm -rf /usr/bin/python

cd /usr/local/Python-3.6.5/
./configure  //配置
make  //编译make
make install  //编译，安装

//删除旧的软链接，创建新的软链接到最新的python
rm -rf /usr/bin/python
ln -s /usr/local/bin/python3.6 /usr/bin/python  

//查看
python -V