Welcome to the CSC110 Book Recommender. Type the word in the left column to do the action on the right. recommend : recommend books for a particular user averages : output the average ratings of all books in the system quit : exit the program next task? averages Watership Down 5.0 Lord of the Rings 5.0 Cats 5.0 Harry Potter 1.5 1984 0.0 Animal Farm -1.6666666666666667 next task? recommend user? Carlos Watership Down 5.0 Lord of the Rings 5.0 Cats 5.0 1984 5.0 Harry Potter 0.3333333333333333 next task? recommend user? Kalid Lord of the Rings 5.0 Cats 5.0 Harry Potter 1.0 next task? recommend user? Suelyn Watership Down 5.0 Lord of the Rings 5.0 Cats 5.0 Harry Potter 1.6666666666666667 next task? recommend user? Bob Watership Down 5.0 Harry Potter 3.0 next task? averages Watership Down 5.0 Lord of the Rings 5.0 Cats 5.0 Harry Potter 1.5 1984 0.0 Animal Farm -1.6666666666666667 next task? quit