There are 2 choices for the alternative python (providing /usr/bin/python).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/local/bin/python3.8 2 auto mode
1 /usr/bin/python3.6 1 manual mode
2 /usr/local/bin/python3.8 2 manual mode
Press <enter> to keep the current choice[*], or type selection number:
Linux 内
输出将是这样的:
这个英文答案帮助了我:
https://stackoverflow.com/questions/53312590/how-can-i-check-all-the-installed-python-versions-on-windows
答案表明“py”实用程序包含专门针对这种情况的参数“-0”(即零,而不是字母“O”)。只需输入
py -0