The interview process began with a phone interview with an HR representative, which went well. Subsequently, I received a two-hour programming test, which I completed. This was followed by a scheduled phone interview with the Director of Engineering. I believed this interview also went well, but I have not yet received any communication. There was approximately a week of waiting between each of these steps, and it has been about a month since I last heard anything.

Write a cd (change directory) function that returns a directory string. This function takes a string as input, such as ../different_folder, and uses the current directory string as a starting point.