gistfile1.txt

$ sudo apt upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 python : Depends: libpython-stdlib (= 2.7.17-1) but it is not installable
          Depends: python2 (= 2.7.17-1) but 2.7.17-2ubuntu4 is installed
 python-all-dev : Depends: libpython-all-dev (= 2.7.17-1) but 2.7.17-2ubuntu4 is installed
                  Depends: python-dev (= 2.7.17-1)
 python-minimal : Depends: python2-minimal (= 2.7.17-1) but 2.7.17-2ubuntu4 is installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).