def main():
    student_ID = int(input("Please enter the student ID:"))
    studentName = (input ("Please enter the student name:"))
    a1_Mark = float(input ("Please enter the marks for Assignment 1:"))
    a1_Weightedmark = a1_Mark * 20/100

    a2_Mark = float(input ("Please enter the marks for Assignment 2:"))
    a2_Weightedmark = a2_Mark * 30/100

    fe_Mark = float(input ("Please enter the marks for the Final Exam:"))
    fe_Weightedmark = fe_Mark * 50/100

    total_Aweightedmarks = a1_Weightedmark + a2_Weightedmark
    total_Weightedmark = total_Aweightedmarks + fe_Weightedmark

    #find the bonus points and add them on to total mark.
    if total_Weightedmark >=50 and total_Weightedmark <=70:
        bonusCalc = total_Weightedmark - 50
        bonus_marks = bonusCalc *10/100
        total = total_Weightedmark + bonus_marks

    elif total_Weightedmark >=70 and total_Weightedmark <=90:
        bonusCalc = total_Weightedmark - 70
        bonus_marks = bonusCalc *15/100 + 2
        total = total_Weightedmark + bonus_marks

    elif total_Weightedmark >=90 and total_Weightedmark <=100:
        bonusCalc = total_Weightedmark - 90
        bonus_marks = bonusCalc *20/100 + 5
        total = total_Weightedmark + bonus_marks

    else:
        bonus_marks = 0
        total = total_Weightedmark
    if total >100:
      total = 100

    print ("Thank You!")


    print ("Weighted mark for Assignment 1:")
    print (a1_Weightedmark)

    print ("Weighted mark for Assessment 2:")
    print (a2_Weightedmark)

    print ("Total weighted mark of the assignments:")
    print (total_Aweightedmarks)

    print ("Weighted mark for the Final Exam is:")
    print (fe_Weightedmark)

    print ("Total weighted mark for the subject:")
    print (total_Weightedmark)

    print ("Bonus points:")
    print (bonus_marks)

    print ("Total mark with bonus:")
    print (total)


def menu():
    y = main()
    n = print("Goodbye")
    menu = str(input("Do you want to enter another student Y/N?"))
    if menu == 'y':
       main()
    else:
        menu == 'n'
        print("Goodbye")
    while menu == 'y':
        menu = str(input("Do you want to enter another student Y/N?"))
        main()
    else:
        while menu == 'n':
            print("Goodbye")

menu()