Pip for Python 3.8
sudo apt install python3.8
sudo apt install python3.8-distutils
wget https://bootstrap.pypa.io/get-pip.py
sudo python3.8 get-pip.py
Install pip the official way:
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3.8 get-pip.py
made 3.8 my default Python version
It depends on how you did that, but it might break something in your OS. For example some packages on Ubuntu 18.04 might depend on python
being python2.7
or python3
being python3.6
with some pip packages preinstalled.