Building dependency tree
Reading state information... Done
E: Unable to locate package python3.9
E: Couldn't find any package by glob 'python3.9'
E: Couldn't find any package by regex 'python3.9'
Disclaimer: there's no guarantee of timely updates in case of security problems or other issues. If you want to use them in a security-or-otherwise-critical environment (say, on a production server), you do so at your own risk.
如果您使用的是Ubuntu19.04 eoan(或deadsnakes ppa不支持的任何其他版本),您将无法使用deadsnakes ppa进行安装
相反,您可以做的是从Python的official website获取source,然后手动安装它,如here所述
为此,首先下载tarball并将其解压缩:
然后将cd复制到提取的目录:
现在配置脚本:
现在,要在当前Python安装(如果有)的同时安装Python 3.9,请使用:
最后,您可以使用
您遇到该错误是因为您首先需要更新包列表和先决条件
然后,将repo-ppa:deadsnakes/ppa添加到源代码列表中(您将从中下载python)
出现提示时,请确保按enter键
最后,安装您选择的版本
请务必阅读以下内容:
PPA Deadsnake
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