Instructions for Library Management System

$1.$ Add a Record

To add a book record to your library system, use the following format:

add title The Great Gatsby; author F$.$ Scott Fitzgerald; ISBN $9780141182636$;

genre Fiction; year $1925$

This instruction adds or updates a record for a book with:

$$ Title "The Great Gatsby"

$$ Author $"$F$.$ Scott Fitzgerald"

$$ ISBN $"9780141182636"$

$$ Genre "Fiction"

$$ Year of publication $"1925"$

If the ISBN matches an existing record in your library system, the existing record will be

updated with the new information provided $($e$.$g$.,$ genre, year$).$

Otherwise, the system adds the new valid record to the library system