sudo apt update
sudo apt install gdebi
sudo gdebi libffi6_3.2.1-9_amd64.deb
sudo gdebi python-gobject-2_2.28.6-13+b1_amd64.deb
sudo gdebi python-numpy_1.16.2-1_amd64.deb
sudo gdebi python-cairo_1.16.2-1+b1_amd64.deb
sudo gdebi python-gtk2_2.24.0-5.1+b1_amd64.deb
sudo gdebi zenmap_7.70+dfsg1-6+deb10u2_all.deb