"The following packages have unmet dependencies" Error [duplicate]

Question

I tried to install a package through apt-get but I get this error. I've tried many solutions including ones in askubuntu but none worked and things are just getting worse and I get more <package>: Depends: ...

Please help me. I really don't know what do you. I just installed this new Ubuntu. This error is making me old. Isn't this a bug?

Reading package lists...
Building dependency tree...
Reading state information...
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 account-plugin-facebook : Depends: libaccount-plugin-generic-oauth but it is not going to be installed or
                                    ubuntu-system-settings-online-accounts but it is not going to be installed
 account-plugin-flickr : Depends: libaccount-plugin-generic-oauth but it is not going to be installed or
                                  ubuntu-system-settings-online-accounts ...

A brief history:

sudo apt-get install ia32-libs
sudo apt-get install lib32ncurses5
sudo apt-get install multiarch-support
sudo apt-get install libc6-i386
sudo apt-get install ia32-libs-gtk
sudo apt-get  install libgtk2.0-0:i386
sudo apt-get install ia32-libs-gtk
sudo apt-get install libgtk2.0-dev
sudo apt-get install ia32-libs
sudo apt-get install lib32z1
sudo apt-get install gcc-multilib
sudo apt-get install ia32-libs-gtk
sudo apt-get install ia32-libs-multiarch
dpkg --add-architecture i386 
sudo dpkg --add-architecture i386 
apt-get install libc6:i386 
sudo apt-get install libc6:i386 
sudo apt-get install libc6-i386
sudo apt-get install libgtk2.0-0:i386
sudo apt-get install libpangoxft-1.0-0
sudo apt-get install libpangoxft-1.0-0:i386
sudo apt-get install libpangox-1.0.so.0
sudo apt-get install libpangox-1.0.so.0:i386
sudo apt-get install classicmenu-indicator
sudo apt-get install python
sudo apt install python-pip
sudo pip install tensorflow-gpu
pip install tensorflow
sudo apt-get install python-pip python-dev
sudo apt-get install python-dev # (first time I noticed the unmet error(but probably was getting that from a few commands before this. I see the word Depends 4 times in its result(if i'm not mistaken))
sudo apt-get update
sudo apt-get install python-dev
sudo apt-get install -f
sudo apt autoremove
sudo apt-get install python-dev
sudo apt-get clean
sudo apt-get autoclean
sudo apt-get install python-dev
sudo dpkg --configure -a
sudo apt-get -f install
sudo apt-get install python-dev
sudo apt-get -u dist-upgrade
sudo apt-get -o Debug::pkgProblemResolver=yes dist-upgrade
sudo apt-get install python-dev
sudo apt install aptitude
sudo aptitude install python-dev
sudo apt-get install python-dev
sudo apt-get install libpython-dev
sudo apt-get install libpython2.7-dev
sudo apt-get install libpython2.7-stdlib
sudo apt-get install libpython2.7
sudo apt-get install libpython2.7-dev
sudo apt-get install ppa-purge
sudo apt-get install python-dev
cat /etc/apt/sources.list
mkdir ppa-purge && cd ppa-purge && wget http://mirror.pnl.gov/ubuntu/pool/universe/p/ppa-purge/ppa-purge_0.2.8+bzr56_all.deb && wget http://mirror.pnl.gov/ubuntu//pool/main/a/aptitude/aptitude_0.6.6-1ubuntu1_i386.deb && sudo dpkg -i ./*.deb
sudo ppa-purge ppa:someppa/ppa  
sudo apt-get install python-dev
sudo apt-get -f install
sudo apt-get install python-dev
sudo apt-get clean
sudo apt-get autoclean
sudo dpkg --configure -a
sudo apt-get -f install
sudo apt-get install python-dev # (still getting the unmet error. I see the word Depends 525 times in its result).

Answer 1

Wow, this was super easy, all I had to do was apt-get remove the dependency and install my target package.

For example...

account-plugin-facebook : Depends: libaccount-plugin-generic-oauth but it is not going to be installed or
                                    ubuntu-system-settings-online-accounts but it is not going to be installed

Simply do this

apt-get remove libaccount-plugin-generic-oauth
apt-get install account-plugin-facebook