Example: Python Program to Find Grade and Average Marks of a Student Using Function

# Python Program to Find Grade and Average Marks of a Student Using Function

# Custom function to Display Percentage & Grade
def CalcPercentGrade (S_1, S_2, S_3, S_4, S_5):
    # It will calculate the Total, Average and Percentage
    total = S_1 + S_2 + S_3 + S_4 + S_5
    average = total / 5.0
    percentage = (total / 500.0) * 100

    if average >= 90:
        grade = 'A'
    elif average >= 80 and average < 90:
        grade = 'B'
    elif average >= 70 and average < 80:
        grade = 'C'
    elif average >= 60 and average < 70:
        grade = 'D'
    else:
        grade = 'E'

    # It will produce the final output
    print ("\nThe Total marks is:   \t", total, "/ 500.00")
    print ("\nThe Average marks is: \t", average)
    print ("\nThe Percentage is:    \t", percentage, "%")
    print ("\nThe Grade is:         \t", grade)


# Driver function to Run this Program
print("Enter the marks of five subjects::")

subject_1 = float (input ())
subject_2 = float (input ())
subject_3 = float (input ())
subject_4 = float (input ())
subject_5 = float (input ())

total, average, percentage, grade = None, None, None, None

# It will produce the final output
CalcPercentGrade (subject_1, subject_2, subject_3, subject_4, subject_5)