Config will return the correct input path given any input.

Exercises will return the correct exercises path given any input.

IsDir determines whether the given path is a valid directory path.

DirExercises is the default name of the directory for active users.

File is the default name of the JSON file where the config written.

ConfigHome will contain $XDG_CONFIG_HOME if it is set or default config home directory.

DefaultConfig will contain default path to config, according to Home.

Home by default will contact the location of your home directory.