class Port:
    A = None
    B = None
    C = None
    D = None

    S1 = None
    S2 = None
    S3 = None
    S4 = None

class Direction:
    CLOCKWISE = 1
    COUNTERCLOCKWISE = 2

class Button:
    LEFT_UP = 1


class Color:
    GREEN = 1
    RED = 2


class ImageFile:
    pass


class SoundFile:
    pass

class Stop:
    COAST = None
    BRAKE = None
    HOLD = None

class Port:
    A = None
    B = None
    C = None
    D = None

    S1 = None
    S2 = None
    S3 = None
    S4 = None

class Direction:
    CLOCKWISE = 1
    COUNTERCLOCKWISE = 2

class Button:
    LEFT_UP = 1


class Color:
    GREEN = 1
    RED = 2


class ImageFile:
    pass


class SoundFile:
    pass

class Stop:
    COAST = None
    BRAKE = None
    HOLD = None
