async def get_index_duplicates(lst, item) -> list:
    """
    :param lst: The list to search for an item or items in.
    :param item: The item to find indexes for in list.
    Like list.index(), but list.index() only returns one index. This function returns all the indexes of which an item appears.
    """
    return [i for i, x in enumerate(lst) if x == item]