[Tutor] function for loaning a book

[Alan Gauld]

On 27/11/2019 16:59, Alan Gauld via Tutor wrote:

> Similarly loan_list only exists inside main() so this function cannot
> see it. You need to make loan_list a global variable. Better still pass
> them in as parameters:
> 
> def loan_book(title, books, loans):
>     for book in books:
>         if book.title == title:
>             loans.append(line)

Oops, cut n paste error, that last line should be:

loans.append(book)

Also you could do the whole thing with a list comprehension:

def loan_book(title, books, loans):
    return [book for book in books if book.title == title]



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Alan G
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