• tips:
    • install bz2 : sudo apt-get install libbz2-dev
    • install sqlite : sudo apt install libsqlite3-dev
    • download and extract python 3.8 source tar ball then run : ./configure --prefix=/usr/local/python3.8 --enable-optimizations
    • sudo make install
    • use newly installed python /usr/local/python3.8/bin/python3