CS113 Project6 Spring 2018 Letter Grade Define function letterGrade that takes a number in the range 0-100 and returns corresponding grade as a string Minimum total score for each of the letter grades is given in the following table C- 70 C+ |C 74 D+ 67 95 90 87 84 80 64 60 Save the function in the file grade.py Design Python program that imports this module and calls letterGrade function. Save the program under name testgrade.py. Copy garde.py and testgrade.py on V drive in "your name folder This is a possible program output: Enter total points score: 88 Letter grade is: B+