upgrade to python3.8

gistfile1.txt

sudo apt update
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libsqlite3-dev libreadline-dev libffi-dev curl libbz2-dev liblzma-dev

curl -O https://www.python.org/ftp/python/3.8.10/Python-3.8.10.tar.xz
tar -xf Python-3.8.10.tar.xz

cd Python-3.8.10
./configure --enable-optimizations

make -j 4

sudo make altinstall

sudo update-alternatives --install /usr/bin/python python /usr/local/bin/python3.8 2