Elixir programming planet distance

In the lib file will be a2.ex. This where the function called process is at you have to make the process function take inputs of the planets and returns output. In A2.rar file you are given test file which contains test_helper.exs and a2_test.exs. a2_test.exs contains the inputs files under the function def solarSystem do. You are also given file mix.exs. You are given file lib which is where a2.ex is and this where you will do the project.