How do I switch between Python versions in Ubuntu?

Switching between Python 2 and 3 versions on Ubuntu 20.04

1. Python 2 not packaged in Ubuntu 20.04. …
2. Install Python2 in Ubuntu 20.04 LTS. …
3. Check the python version installed. …
4. Check all the installed Python versions in the bin directory. …
5. Check for any Python alternatives configured on the system. …
6. Configure Python Alternatives.

How do I switch from Python 3.8 to 3.7 Ubuntu?

“downgrade python 3.8 to 3.7 ubuntu” Code Answer

1. sudo add-apt-repository ppa:deadsnakes/ppa.
2. sudo apt-get update.
3. sudo apt-get install python3.7.