Python3安装

第一步
下载python3：
wget http://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz
tar -zvxf Python-3.6.0.tgz
cd Python-3.6.0
./configure --prefix=/usr/local/python3
yum -y install gcc
yum -y install zlib*
make && make install


第二步
建立python3的软链接
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
vim ~/.bash_profile
修改行 PATH=$PATH:$HOME/bin:/usr/local/python3/bin
source ~/.bash_profile


第三步 验证
python3 -V
pip3 -V