我做了什么：
sudo apt-add-repository ppa:ansible/ansible ; sudo apt update ; sudo apt install ansible
错误信息：
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
ansible : Depends: python-paramiko but it is not installable
E: Unable to correct problems, you have held broken packages.
描述：
如您所见，问题出在python-paramiko软件包上。我尝试安装所需的软件包，但问题并未得到解决。
此外，以下相关问题均未解决问题。
提前致谢。