Timothy had been creating book records for weeks—each one a dictionary with title, author, year, and page count. The pattern was repetitive:



book1 = {"title": "Dune", "author": "Herbert", "year": 1965, "pages": 412}
book2 = {"title": "1984", "author": "Orwell", "year": 1949, "pages": 328}
book3 = {"title": "Foundation", "author": "Asimov",...