Challenge: Create a Dictionary and Replace Key-value Pairs

Create a dictionary that contains students’ names and scores obtained in three subjects. Write a program to replace the scores in the three subjects with the total and average scores. Also, report the top student in the class:

• Input: A dictionary that contains students’ names, and scores obtained in three subjects.
• Output: A dictionary that contains students’ names and the total and average score in the three subjects. The name and score of the top student in the class will also be printed.