Ptython小白请教安装geany的问题

python小白请教大家问题,希望高手不吝赐教:
Linux系统中已经默认安装了python2.7.16和python3.7.3,执行命令安装geany编辑器的时候出现对话框:【sudo】user的密码:
我不知道密码是什么,怎么破解?出现这个对话框是否意味着系统中已经安装了编辑器?
另外:是否需要升级python3.7.3至3.9,需要的话请问如何升级?

Hello,

This is an English-speaking forum. Please check this page for a list of resources in Chinese, including several mailing lists and forums where you can get help in your native language.