Perhaps you could try the recovery mode at the GRUB menu, and if it works, reinstall the removed packages.
Removing python3.8-minimal also removes a bunch of other packages, but I don't know if apt will work:
sudo apt-get purge -s python3.8-minimal
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
apport-symptoms aptdaemon-data bluez-obexd dc dconf-cli diffstat distro-info distro-info-data docbook-xml enchant ffmpeg gettext
gir1.2-appindicator3-0.1 gir1.2-atspi-2.0 gir1.2-bamf-3 gir1.2-goa-1.0 gir1.2-gtksource-3.0 gir1.2-javascriptcoregtk-4.0
gir1.2-keybinder-3.0 gir1.2-matedesktop-2.0 gir1.2-matepanelapplet-4.0 gir1.2-notify-0.7 gir1.2-packagekitglib-1.0 gir1.2-peas-1.0
gir1.2-pluma-1.0 gir1.2-polkit-1.0 gir1.2-secret-1 gir1.2-snapd-1 gir1.2-soup-2.4 gir1.2-vte-2.91 gir1.2-webkit2-4.0
gir1.2-wnck-3.0 intltool-debian ippusbxd libapt-pkg-perl libarchive-zip-perl libasync-mergepoint-perl libavahi-glib1 libavdevice58
libavresample4 libb-hooks-endofscope-perl libb-hooks-op-check-perl libcapture-tiny-perl libcdio-paranoia2
libclass-method-modifiers-perl libclass-xsaccessor-perl libclone-perl libcpanel-json-xs-perl libcroco3 libdc1394-22
libdevel-callchecker-perl libdevel-size-perl libdigest-bubblebabble-perl libdynaloader-functions-perl libemail-valid-perl
libenchant1c2a libexporter-tiny-perl libfile-find-rule-perl libfont-ttf-perl libfuture-perl libglu1-mesa libgtk2-perl
libimagequant0 libimport-into-perl libio-async-loop-epoll-perl libio-async-perl libio-pty-perl libio-string-perl libipc-run-perl
libjson-maybexs-perl libkeybinder-3.0-0 libldb2 liblightdm-gobject-1-0 liblinux-epoll-perl liblist-compare-perl
liblist-moreutils-perl liblua5.2-0 libmodule-implementation-perl libmodule-runtime-perl libmoo-perl libmoox-aliases-perl
libnamespace-clean-perl libnet-dns-perl libnet-dns-sec-perl libnet-domain-tld-perl libnet-ip-perl libnetplan0 libnfs13
libnumber-compare-perl libopenal-data libopenal1 libpackage-stash-perl libpackage-stash-xs-perl libpango-perl
libparams-classify-perl libpath-tiny-perl libperl4-corelibs-perl libperlio-gzip-perl libportaudio2 libpython3-stdlib
libreadonly-perl libref-util-perl libref-util-xs-perl librole-tiny-perl libsereal-decoder-perl libsereal-encoder-perl
libsereal-perl libstrictures-perl libstruct-dumb-perl libsub-exporter-progressive-perl libsub-identify-perl libsub-quote-perl
libtalloc2 libtest-fatal-perl libtest-refcount-perl libtevent0 libtext-glob-perl libtext-levenshtein-perl libtype-tiny-perl
libtype-tiny-xs-perl libunicode-utf8-perl libvariable-magic-perl libwbclient0 libxatracker2 libxcb-ewmh2 libxcb-xrm0 libxfont2
libxml-writer-perl libxvmc1 libyaml-libyaml-perl libyelp0 lintian mscompress patchutils python-apt-common rofi rtmpdump
samba-common sgml-base sgml-data t1utils x11-apps x11-session-utils xfonts-base xfonts-encodings xfonts-scalable xfonts-utils xinit
xinput xml-core xserver-common xserver-xorg-core xserver-xorg-input-all xserver-xorg-input-libinput xserver-xorg-input-wacom
xserver-xorg-legacy xserver-xorg-video-all xserver-xorg-video-amdgpu xserver-xorg-video-ati xserver-xorg-video-fbdev
xserver-xorg-video-intel xserver-xorg-video-nouveau xserver-xorg-video-qxl xserver-xorg-video-radeon xserver-xorg-video-vesa
xserver-xorg-video-vmware xul-ext-ubufox yelp-xsl
