The input contains the student names and quiz scores but no course grades. The program should compute the course grade. If the sum of the quiz scores is at least 90, the grade is an A. If the sum is at least 80, the grade is a B, and so on. Then print all students with grade A together with their individual quiz scores, followed by all students with grade B, and so on.

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?