Install Flask and Catalyst SDK Packages

To run the application in the Python-Flask environment, let’s initialize the Catalyst SDK packages for Flask for your application.

Create a new folder in your project’s root directory (/Alien City) and name it “lib”. This folder will contain the required Python packages.

Using your CLI, navigate to the (AlienCity/lib/) directory and enter the following command to install the required Python packages for this application:

After you install the packages, your project directory will appear like this:

All the required packages for your Python Flask application have been installed.