Enhanced Library

Step-by-Step Enhancements

1. Sorting Books:

• Sort books by title.
• Sort books by year of publication.

2. Grouping Books by Category:

• Group books by their category.

3. Partitioning Books by Year:

• Partition books into those published before and after a certain year.

4. Using Collect to Extract Specific Information:

• Use the collect function to extract titles of books published after a certain year.

5. Calculating Average Publication Year by Category:

• Calculate the average publication year for each category.