安装python3.7依赖

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 

在线下载Python3

Python官网下载地址

创建文件夹，进入文件夹，下载

mkdir -p /usr/local/python3
cd /usr/local/python3/
wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tgz

查看有没有下载成功

[root@rzk python3]# ls
 Python-3.7.4.tgz  

编译

cd Python-3.7.4
./configure --prefix=/usr/local/python3
make && make install

修改环境

修改环境

[root@rzk bin]# vim ~/.bash_profile 

PATH=$PATH:$HOME/bin:/usr/local/python3/bin 加上:/usr/local/python3/bin即可
保存退出

执行生效

[root@rzk bin]# source ~/.bash_profile

验证

/usr/local/python3/bin/python3.7

[root@rzk bin]# /usr/local/python3/bin/python3.7
Python 3.7.4 (default, Dec 23 2022, 11:37:33) 
[GCC 8.5.0 20210514 (Red Hat 8.5.0-4)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>