sudo yum -y groupinstall "Development tools"
sudo 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 libffi-devel
##### https://www.python.org/ftp/python/ 选择要安装的版本
wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0a1.tar.xz
cd ~/Download
tar -xvJf Python-3.7.0a1.tar.xz
cd Python-3.7.0a1
./configure --prefix=/usr/localsudo make
sudo make install
### 创建软连接
ln -s /usr/local/bin/python3/bin/python3 /usr/bin/python3
### 安装 pip3
cd ~/Download
wget https://bootstrap.pypa.io/get-pip.py
python3 ./get-pip.py
ln -s /usr/local/bin/python3/bin/pip3 /usr/bin/pip3