Entry point for the application script

def main():
    """Entry point for the application script"""
    if len(sys.argv) >= 2:
        cmd = sys.argv[1]
        if cmd == "help":
            print_usage()
        else:
            if cmd == "mensa":
                print_menu("Mensa")
            elif cmd == "bistro":
                print_menu("Bistro")
            elif cmd == "cafeteriab":
                print_menu("CB")
            elif cmd == "west":
                print_menu("West")
            elif cmd == "hochschule":
                print_menu("Prittwitzstr")
            elif cmd == "westside":
                print_menu("Diner", True)
            elif cmd == "burgerbar":
                print_menu("Burgerbar", True)
            else:
                print("[ERROR]: No valid place given")
                print_usage()
    else:
        print("[ERROR]: No argument given")
        print_usage()