我在CentOS Linux release 8.3上安装了python3.6
[fnord@fnord fnord]$ ls -ls /usr/bin/python*
0 lrwxrwxrwx 1 root root 9 Aug 31 2020 /usr/bin/python2 -> python2.7
12 -rwxr-xr-x 1 root root 8224 Aug 31 2020 /usr/bin/python2.7
0 lrwxrwxrwx. 1 root root 25 Jun 24 2020 /usr/bin/python3 -> /etc/alternatives/python3
0 lrwxrwxrwx 1 root root 31 Nov 4 2020 /usr/bin/python3.6 -> /usr/libexec/platform-python3.6
0 lrwxrwxrwx 1 root root 17 Nov 4 2020 /usr/bin/python3.6-config -> python3.6m-config
0 lrwxrwxrwx 1 root root 32 Nov 4 2020 /usr/bin/python3.6m -> /usr/libexec/platform-python3.6m
0 lrwxrwxrwx 1 root root 39 Nov 4 2020 /usr/bin/python3.6m-config -> /usr/libexec/platform-python3.6m-config
0 lrwxrwxrwx 1 root root 46 Nov 4 2020 /usr/bin/python3.6m-x86_64-config -> /usr/libexec/platform-python3.6m-x86_64-config
0 lrwxrwxrwx 1 root root 32 Mar 16 2021 /usr/bin/python3-config -> /etc/alternatives/python3-config
[fnord@fnord fnord]$ python3 --version
Python 3.6.8
[fnord@fnord fnord]$cat /etc/centos-release
CentOS Linux release 8.3.2011
如何安装python3.7, python3.8，…在同一个系统上?
使用dnf，例如
dnf install python38
然后你可以使用venv来管理你在一个特定的项目中使用哪个版本的python