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public python v1 · immutabledef bookinfo(request,shorttitle,bookno): if shorttitle: bookretrieved = Book.objects.get(shorttitle=shorttitle) elif bookno: bookretrieved = Book.objects.get(bookno=bookno) def foreword_authors(): ???def bookinfo(request,shorttitle,bookno): if shorttitle: bookretrieved = Book.objects.get(shorttitle=shorttitle) elif bookno: bookretrieved = Book.objects.get(bookno=bookno) def foreword_authors(): ???