摘要：
1、 安装依赖包yumminstall-y gcczlib-develbzip2-develnssl-develncurses-develsqlite-develreadline-develtk-develgdbm-develdb4-devellibpcap-develxz-devellibffi-devel openssl-devel II。下载并安装wget https：
一、安装依赖包
yum install -y gcc zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel openssl-devel
二、下载安装
wget https://www.python.org/ftp/python/3.7.9/Python-3.7.9.tgz
tar xf Python-3.7.9.tgz
./configure --prefix=/usr/local/python3
make && make install
ln -s /usr/local/python3/bin/python3.7 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3.7 /usr/bin/pip3