Python Program to Take in the Marks of 5 Subjects and Display the Grade

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Given the marks of 5 subjects of the student, the task is to display the grade of the student based on the marks in

Python.

Examples:

Example1:

Input:

Enter first subject marks as integer = 75
Enter second subject marks as integer = 79
Enter third subject marks as integer = 65
Enter fourth subject marks as integer = 82
Enter fifth subject marks as integer = 63

Output:

Average of 5 marks = 72.8 Grade =C

Example2:

Input:

Enter first subject marks as integer = 63
Enter second subject marks as integer = 19
Enter third subject marks as integer = 99
Enter fourth subject marks as integer = 85
Enter fifth subject marks as integer = 73

Output:

Average of 5 marks = 67.8 Grade =D

Program to Take in the Marks of 5 Subjects and Display the Grade in Python

There are several ways to calculate the grade of the student based on the marks of 5 subjects in Python some of them are:

Using IF..elif..else Statements(Static Input)
Using IF..elif..else Statements (User Input separated by newline)
Using IF..elif..else Statements and map(),split() functions (User Input separated by spaces)

Method #1:Using IF..elif..else Statements(Static Input)

Approach:

Give the 5 subject marks as static input and store them in 5 variables.
Calculate the sum of the 5 subject marks and store it in a variable.
Divide the sum by 5 to get the average of all the given marks.
To determine the grade based on the average of the marks, use an if…Elif..else conditions.
Print the grade.
The Exit of the Program.

Below is the implementation:

# Give the 5 subject marks as static input and store them in 5 variables.
marks1 = 95
marks2 = 85
marks3 = 89
marks4 = 93
marks5 = 87
# Calculate the sum of the 5 subject marks and store it in a variable.
summarks = marks1+marks2+marks3+marks4+marks5
# Divide the sum of marks by 5 to get the average of all the given marks.
avgmark = summarks/5
# To determine the grade based on the average of the marks, use an if...Elif..else conditions.
if(avgmark >= 90):
    print("Average of 5 marks =", avgmark, 'Grade =A')
elif(avgmark >= 80 and avgmark < 90):
    print("Average of 5 marks =", avgmark, 'Grade =B')
elif(avgmark >= 70 and avgmark < 80):
    print("Average of 5 marks =", avgmark, 'Grade =C')
elif(avgmark >= 60 and avgmark < 70):
    print("Average of 5 marks =", avgmark, 'Grade =D')
else:
    print("Average of 5 marks =", avgmark, 'Grade =E')

Output:

Average of 5 marks = 89.8 Grade =B

Explanation:

The user must enter 5 different values as static input and store them in different variables.
Then add together all five marks and divide by five to get the average.
If the average is more than 90, the grade is displayed as “A.”
If the average is between 80 and 90, the letter “B” is printed.
If the average is between 70 and 80, the letter “C” is printed.
If the average is between 60 and 70, the letter “D” is printed.
If the average falls below 60, the letter “F” is printed.

Method #2:Using IF..elif..else Statements (User Input separated by newline)

Approach:

Give the 5 subject marks as user input using int(input()) which converts the string to an integer.
Store them in 5 separate variables.
Calculate the sum of the 5 subject marks and store it in a variable.
Divide the sum by 5 to get the average of all the given marks.
To determine the grade based on the average of the marks, use an if…Elif..else conditions.
Print the grade.
The Exit of the Program.

Below is the implementation:

# Give the 5 subject marks as user input using int(input()) which converts the string to an integer.
# Store them in 5 separate variables.
marks1 = int(input('Enter first subject marks as integer = '))
marks2 = int(input('Enter second subject marks as integer = '))
marks3 = int(input('Enter third subject marks as integer = '))
marks4 = int(input('Enter fourth subject marks as integer = '))
marks5 = int(input('Enter fifth subject marks as integer = '))
# Calculate the sum of the 5 subject marks and store it in a variable.
summarks = marks1+marks2+marks3+marks4+marks5
# Divide the sum of marks by 5 to get the average of all the given marks.
avgmark = summarks/5
# To determine the grade based on the average of the marks, use an if...Elif..else conditions.
if(avgmark >= 90):
    print("Average of 5 marks =", avgmark, 'Grade =A')
elif(avgmark >= 80 and avgmark < 90):
    print("Average of 5 marks =", avgmark, 'Grade =B')
elif(avgmark >= 70 and avgmark < 80):
    print("Average of 5 marks =", avgmark, 'Grade =C')
elif(avgmark >= 60 and avgmark < 70):
    print("Average of 5 marks =", avgmark, 'Grade =D')
else:
    print("Average of 5 marks =", avgmark, 'Grade =E')

Output:

Enter first subject marks as integer = 75
Enter second subject marks as integer = 79
Enter third subject marks as integer = 65
Enter fourth subject marks as integer = 82
Enter fifth subject marks as integer = 63
Average of 5 marks = 72.8 Grade =C

Method #3:Using IF..elif..else Statements and map(),split() functions (User Input separated by spaces)

Approach:

Give the 5 subject marks as user input separated by spaces using map(), split() functions.
Store them in 5 separate variables.
Calculate the sum of the 5 subject marks and store it in a variable.
Divide the sum by 5 to get the average of all the given marks.
To determine the grade based on the average of the marks, use an if…Elif..else conditions.
Print the grade.
The Exit of the Program.

Below is the implementation:

# Give the 5 subject marks as user input separated by spaces using map(), split() functions.
# Store them in 5 separate variables.
marks1, marks2, marks3, marks4, marks5 = map(int, input(
    'Enter 5 subject marks separated by spaces = ').split())
# Calculate the sum of the 5 subject marks and store it in a variable.
summarks = marks1+marks2+marks3+marks4+marks5
# Divide the sum of marks by 5 to get the average of all the given marks.
avgmark = summarks/5
# To determine the grade based on the average of the marks, use an if...Elif..else conditions.
if(avgmark >= 90):
    print("Average of 5 marks =", avgmark, 'Grade =A')
elif(avgmark >= 80 and avgmark < 90):
    print("Average of 5 marks =", avgmark, 'Grade =B')
elif(avgmark >= 70 and avgmark < 80):
    print("Average of 5 marks =", avgmark, 'Grade =C')
elif(avgmark >= 60 and avgmark < 70):
    print("Average of 5 marks =", avgmark, 'Grade =D')
else:
    print("Average of 5 marks =", avgmark, 'Grade =E')

Output:

Enter 5 subject marks separated by spaces = 45 96 78 99 92
Average of 5 marks = 82.0 Grade =B

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