Hist 108 | Python Fiddle

gradeScale = {            
            'exam1':140.,
            'exam2':140.,
            'midterm':260.,
            'final':340.,
            'clickers':120.
            }

passingGrade = 700.

exam1Score = 33.00/42.
#exam2Score = 0.
midtermScore = 0.91
#finalScore = 0.
#exam2Score = 0.
clickersScore = 0.300

def getExam1Points(score,scale):
    points = score * scale['exam1']
    return points

#def getExam2Points(score, scale):
#    points = score * scale['exam2']
#    return points

def getMidtermPoints(score, scale):
    points = score * scale['midterm']
    return points

#def getFinalPoints(score, scale):
#    points = score * scale['final']
#    return points

def getClickersPoints(score, scale):
    points = score * scale['clickers']
    return points

def getClassGrade(scale):
    exam1 = getExam1Points(exam1Score,scale)
#    exam2 = getExam2Points(exam2Score,scale)
    midterm = getMidtermPoints(midtermScore, scale)
#    final = 
    clickers = getClickersPoints(clickersScore, scale)
    return sum([exam1,midterm,clickers])

def neededOnFinal(currentStanding, scale):
    pointsNeeded = passingGrade - currentStanding
    percentage = pointsNeeded / scale['final']
    return percentage

print "Current Grade:", getClassGrade(gradeScale)
print "Needed on Final:", neededOnFinal(getClassGrade(gradeScale), gradeScale)

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