Returns a sorted list of given countries. Ordered from highest to lowest population size. Queries the World Population API.

Run npm install to build the project.

Run npm test or mocha test. All 3 tests should pass with flying colours.

Run e.g. node app.js "Greece, Brazil, France, Germany" from your command line.

Brazil: 211785533
Germany: 80612060
France: 65026385
Greece: 10885390

Launch the program in the Visual Studio Code built-in debugger. The .vscode/launch.json configuration file will pass the example command-line argument "Greece, Brazil, France, Germany". The Debug Console tab will display the output.