CentOS6.9安装python3

安装依赖包：

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

wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz

tar xzf Python-3.6.8.tgz

cd Python-3.6.8

./configure

make && make install