Cách Install Python 3.9 trên Ubuntu 20.04

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

wget https://www.python.org/ftp/python/3.9.1/Python-3.9.1.tgz

tar -xf Python-3.9.1.tgz

cd Python-3.9.1

./configure --enable-optimizations

make -j 12

sudo make altinstall

python3.9 --version

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

python get-pip.py