安装python3.9.7

1. 下载python依赖环境
   1. sudo yum -y update
   2. yum groupinstall "Development Tools" -y
   3. yum install openssl-devel libffi-devel bzip2-devel -y
   4. gcc –version
2. 下载python
   1. sudo yum install wget -y
   2. wget http://npm.taobao.org/mirrors/python/3.9.7/Python-3.9.7.tgz
   3. tar xvf Python-3.9.7.tgz
   4. cd Python-3.9*/
3. 安装python
   1. ./configure --enable-optimizations
4. 编译python3.9
   1. sudo make altinstall
5. 检查python3.9的安装
   1. python3.9 –version
   2. pip3.9 –version
6. 查看python3.9的安装位置
   1. Whereis python3.9
   2. 
7. 添加软连接
   1. Python3
      1. 添加软连接
         1. ln -sb /usr/local/bin/python3.9 /usr/bin/python3

          

      2. 查看是否添加成功
         1. Python3 --version
   2. 同理添加pip3
      1. 添加软连接
         1. ln -sb /usr/local/bin/pip3.9 /usr/bin/pip3
      2. 查看是否添加成功
         1. Pip3 –version