Question

Write a program in Python that inputs marks of three subjects of a student and displays the percentage marks obtained.​

Answer 1

Problem Description

The program takes in the marks of 3 subjects and displays the grade.

Program/Source Code

sub1=int(input("Enter marks of the first subject: "))

sub2=int(input("Enter marks of the second subject: "))

sub3=int(input("Enter marks of the third subject: "))

avg=(sub1+sub2+sub3)/3

if(avg>=90):

   print("Grade: A")

elif(avg>=80&avg<90):

   print("Grade: B")

elif(avg>=70&avg<80):

   print("Grade: C")

elif(avg>=60&avg<70):

   print("Grade: D")

else:

   print("Grade: F")

Program Explanation

1. User must enter 3 different values and store it in separate variables.

2. Then sum up all the five marks and divide by 3 to find the average of the marks.

3. If the average is greater than 90, “Grade: A” is printed.

4. If the average is in between 80 and 90, “Grade: B” is printed.

5. If the average is in between 70 and 80, “Grade: C” is printed.

6. If the average is in between 60 and 70, “Grade: D” is printed.

7. If the average is anything below 60, “Grade: F” is printed.

OUTPUT:

Enter marks of the first subject: 85

Enter marks of the second subject: 95

Enter marks of the third subject: 99

Grade: A