def equip_sensors(worldmap, sensors):
    """
    Args:
        worldmap (str): a string that describes the initial state of the world.
        sensors (dict) a map from robot character representation (e.g. 'r') to a
    string that describes its sensor (e.g. 'laser fov=90 min_range=1 max_range=5
    angle_increment=5')

    Returns:
        str: A string that can be used as input to the `interpret` function
    """
    worldmap += "\n***\n"
    for robot_char in sensors:
        worldmap += "%s: %s\n" % (robot_char, sensors[robot_char])
    return worldmap