CentOS7安装Python3

#!/bin/bash
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel?

?wget https://www.python.org/ftp/python/3.5.3/Python-3.5.3.tgz?

?mkdir /usr/local/python3 
?tar -zxvf Python-3.5.3.tgz
cd Python-3.5.3?
?./configure --prefix=/usr/local/python3?
make && make install

?ln -s /usr/local/python3/bin/python3 /usr/bin/python3?
?ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
?pip3 -V
python3 -V