Most python files can't be called from the main menu

[Goncalo287]

Programs should be in functions to be called from the menu:

def main():
    print('Code goes here')

if __name__ == '__main__':
    main()

[Goncalo287]

Related problems:

• Other programs can't have exit() in them because that also closes the menu. Instead, use something like raise SystemExit which can be caught with a try/except.
• Long programs (like train and test) freeze the menu. To stop that and be able to cancel an operation from the menu, we could use threading.

[Goncalo287]

The programs were adapted and now work when called from the main menu and when run directly