3/3 Review


#1



https://www.codecademy.com/courses/python-intermediate-en-7mgOa/2/3?curriculum_id=4f89dab3d788890003000096#

I receive an error: 'Oops, try again. It looks like not all grades were printed! Make sure you are printing ech one on their own line.' However, I have printed all the grades were printed on separate lines.

It should work perfectly. Please help.


grades = [100, 100, 90, 40, 80, 100, 85, 70, 90, 65, 90, 85, 50.5]

def print_grades(grades):
    for grade in grades:
        print grade

def grades_sum(grades):
    total = 0
    for grade in grades: 
        total += grade
    return total
    
def grades_average(grades):
    sum_of_grades = grades_sum(grades)
    average = sum_of_grades / float(len(grades))
    return average

def grades_variance(scores):
    average = grades_average(scores)
    variance = 0
    for score in scores:
        variance += (average - score) ** 2
    return variance / float(len(scores))

def grades_std_deviation(variance):
    return variance ** 0.5
variance = grades_variance(grades)

print grades
print grades_sum(grades)
print grades_average(grades)
print grades_variance(grades)
print grades_std_deviation(variance)


#2

HI this line

print grades

you create a function that print all the grade use it!


#3

Thanks! Sorry for my stupidity.


#4

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