def copy_value_to_keys(my_map, key, *new_keys):
    """
    Takes a map and inserts all specified new keys. The value
    of the new keys matches the value that corresponds to 'key'.

    Returns the new map.
    """
    value = my_map[key]

    for new_key in new_keys:
        my_map[new_key] = value

    return my_map