Once the virtual environment is setup and enabled you can begin installing Django Framework which is yet another python module for developing Web application. On your command type the following command just to make sure that the Virtual environment that you activated is working:
[Django Tutorial] How to Activate Python Virtualenv / Virtual Environment in Linux?
Now our program is independent of the operating system and runs over every environment. For that we now need to install Virtualenv from our terminal. So in terminal (Ctrl + Alt + T) type the following command:sudo apt install virtualenv