How can I install pip for Python2.7 in Ubuntu 20.04

转载：https://stackoverflow.com/questions/64296359/how-can-i-install-pip-for-python2-7-in-ubuntu-20-04

sudo apt update
sudo apt install curl
sudo add-apt-repository universe
sudo apt update
curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py # Fetch get-pip.py for python 2.7 
python2 get-pip.py
pip --version