How to change the version of python from 3.6 to 3.8 in Linux?

In this way, you can solve your doubts also.

Step1: Use the following command inside the terminal to change the installed version,

alias python='/usr/bin/python3.8'

To change a python version on per user basis you simply create an alias within the user’s home directory. Open ~/.bashrc file and add a new alias to change your default python executable:

Step 2: Once you make the above change, re-login or source your .bashrc file:

$ . ~/.bashrc

Step 3: Check your default python version:

$ python – version
Python 3.8.1

Install Python 3.8

Steps to install Python3.8 and configure it as the default interpreter.

1. Install the python3.8 package using apt-get

   sudo apt-get install python3.8

2. Add Python 3.8 to update-alternatives

   sudo update-alternatives – install /usr/bin/python3 python3 /usr/bin/python3.8 1

3. Now verify the version using the following command:

   python – version

Hope that it will help you to solve the problem.