# Module 3
#   Programming Assignment 4
#     Prob-3.py

# Riley Hewes

def letterGrade(score):
    # your code here
    A = 5
    B = 4
    C = 3
    D = 2
    F = 1
    F = 0

    if grade == A:
        grade = 5
    elif grade == B:
        grade = 4
    elif grade == C:
        grade = 3
    elif grade == D:
        grade = 2
    elif grade == F:
        grade = 1
    elif grade == F:
        grade = 0

    return grade


def unitTest():
    # your test code here
    print("If grade is an A:",5)
    print("If grade is an F:",1)
    print("If grade is an F:",0)

if __name__ == "__main__":
    unitTest()