Quote:
Originally Posted by Ma'am-I-Am
Thank you! That worked beautifully. This has been interesting. Can you tell me why it is list_intersection when there is no second list to compare?
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There are two lists. The function field('tags') returns one of them, the book's tags. The other is the constant string in the second parameter. The third parameter tells what character separates items in the list, in this case a comma.