Python环境搭建

• 系统中一般已经集成python，查看默认使用的Python版本号

1 root@norco:/ # python -V
2 Python 2.7.16

• 查看系统中支持的python版本，使用如下命令

 1 root@norco:/ # ls -al /usr/bin/python*
 2 lrwxrwxrwx 1 root root    7 Mar 17  2021 /usr/bin/python -> python2
 3 lrwxrwxrwx 1 root root   14 Mar 17  2021 /usr/bin/python-config -> python2-config
 4 lrwxrwxrwx 1 root root    9 Mar 17  2021 /usr/bin/python2 -> python2.7
 5 lrwxrwxrwx 1 root root   16 Mar 17  2021 /usr/bin/python2-config -> python2.7-config
 6 -rwxr-xr-x 1 root root 6144 Dec 26 14:14 /usr/bin/python2.7
 7 -rwxr-xr-x 1 root root 1681 Dec 26 10:33 /usr/bin/python2.7-config
 8 lrwxrwxrwx 1 root root    9 Mar 17  2021 /usr/bin/python3 -> python3.7
 9 -rwxr-xr-x 1 root root 6144 Dec 26 09:51 /usr/bin/python3.7
10 -rwxr-xr-x 1 root root 6144 Dec 26 09:51 /usr/bin/python3.7m
11 -rwxr-xr-x 1 root root 2023 Dec 26 09:50 /usr/bin/python3.7m-config-lib