Create a folder called A and submit $itas$ a single file via Blackboard.

Assignment Details $[100$ points$]$

The goal $of$ this assignment $isto$ enable you $to$ identify classes, functions, methods, and $be$ able $to$

implement a command$-$line$-$based Student Grading Application.

Part $A$: $20$ Points

Draw a class diagram identifying classes, functions, methods, and attributes needed for Student

Grading Application $on$ a Microsoft word file.

Part $B$: $80$ Points

Build a command$-$line$-$based Student Grading Application. The student grading application should

$be$ able $to$ add scores $of$ two quizzes $(quiz1$ and quiz$2),$ one midterm exam, and one final exam and

compute the average score $(or$ semester score$)$ and letter grade $of$ all students $in$ a class. Your

program should $be$ able $to$ show student grades after computing the semester score and letter grade.

Your program should also allow the user flexibility $to$ modify quizzes, midterm, and final scores.

Quizzes, midterm, and final exam are graded $at100$ points each. $To$ compute average score $or$

semester score you will take $25\%of$ quizzes, $25\%of$ midterm exam, and $50\%of$ final exam scores.

The student letter grading computation should follow the following policy:

$A.$ Semester Score $of90$ and $100$ will receive a letter grade $ofA$

$B.$ Semester Score $of80$ and $<mn\; id="EditorElement\_2165297">9</mn><mn\; id="EditorElement\_2165298">0</mn>$ will receive a letter grade $ofB$

$C.$ Semester Score $of70$ and $80$ will receive a letter grade $ofC$

$D.$ Semester Score $of60$ and $70$ will receive a letter grade $ofD$

$E.$ Semester Score $of<mn\; id="EditorElement\_2165635">6</mn><mn\; id="EditorElement\_2165636">0</mn>$ will receive a letter grade $ofF.$

Important Note: Structure $of$ StGrading Application

a package called StudentGradingApp. two modules named