def lsystemToDrawingCommands(draw, s):
    """

    :param draw:
    :param s:
    :return commands:

    Takes a dictionary, draw, of character->turtle instuctions, and a L-system string, s.
    Uses draw to map the string to drawing commands, and returns a list, commands, of those commands.
    """
    commands = []
    for character in s:
        if draw.get(character):
            commands.append(draw[character])

    return commands