Building on your work on Assignment 2, write a Python code that prompts a user to enter scores for 6 students between [H] and 1.0, displays the scores, calculates the average score . If any score is out of range, display an error message and prompt for valid entry. If all scores are between {3.0 and 1.0, use 3 different mctions: {I} seorel'l'isplaylr that prompts for the scores, handles exceptions and displays the students' scores; (2) angcore which accepts the students' scores and calculates and displays the average score; and (3} gradeLeer which accepts the average score and calculates and displays the average letter grade using the following table: Score Grade >=0.9 A :-=0.8 B 1-=0J t: >=0.6 D