Python3 for Linux 安装

安装依赖包：

yum -y install gcc

安装其它依赖包：

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

下载依赖的包：

https://www.python.org/ftp/python/

解压：

tar -xvf Python-3.7.9.tar

创建空文件夹：

mkdir /usr/local/python3

执行配置文件，编译，编译安装

cd Python-3.7.0
./configure --prefix=/usr/local/python3
make && make install

建立软连接：

ln -s /usr/local/python3/bin/python3.7 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3.7 /usr/bin/pip3