python - linux setup asdf: tk-dev error ubuntu tk-dev : Depends: tk8.6-dev (>= 8.6.0-2) but it is not going to be installed

refer to:  https://blog.csdn.net/weixin_42417818/article/details/109695182

apt install tk-dev  error

Reading package lists... Done
Building dependency tree       
Reading state information... Done
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:
 tk-dev : Depends: tk8.6-dev (>= 8.6.0-2) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

apt install aptitude   

aptitude install tk-dev   OK