I tried that, but it came back and said that it couldn't locate package python3-pip.
I also tried some of the steps that are suggested on the following page but without success:
https://askubuntu.com/questions/1061486/...h-18-04-in
I also tried some of the steps that are suggested on the following page but without success:
https://askubuntu.com/questions/1061486/...h-18-04-in