Interpretation problem


#1


Hi everyone!
I have a problem going further. My code prints the correct results (I have checked them manually). But the system does not let me go further and tells that I missed something even I see correct results in the interpretator.
My code is below:

lloyd = {
    "name": "Lloyd",
    "homework": [90.0, 97.0, 75.0, 92.0],
    "quizzes": [88.0, 40.0, 94.0],
    "tests": [75.0, 90.0]
}
alice = {
    "name": "Alice",
    "homework": [100.0, 92.0, 98.0, 100.0],
    "quizzes": [82.0, 83.0, 91.0],
    "tests": [89.0, 97.0]
}
tyler = {
    "name": "Tyler",
    "homework": [0.0, 87.0, 75.0, 22.0],
    "quizzes": [0.0, 75.0, 78.0],
    "tests": [100.0, 100.0]
}

# Add your function below!
def average (numbers):
         total = float ( sum (numbers))
         return (total/len(numbers))
def get_average (student):
    homework = average (student["homework"])
    quizzes = average (student["quizzes"])
    tests = average (student["tests"])
    return (0.1*homework + 0.3*quizzes+0.6*tests)
#print get_average(tyler)
def get_letter_grade (score):
    if score >= 90:
        return ("A")
    elif score < 90 and score >= 80: 
        return ("B")
    elif score <80 and score >= 70:
        return ("C")
    elif score <70 and score >= 60:
        return ("D")
    else:
        return ("F")
#print get_letter_grade(get_average(tyler))

def get_class_average (students):
    results = []
    for a in students:
      b = get_average (a)
      results.append (b)
   # print results
    return (average(results))
        
print get_average (lloyd)
print get_average (alice)
print get_average (tyler)
ae = get_class_average ([lloyd, alice, tyler])
print (ae)
print get_letter_grade (ae)


#2

Link to the exersice, please.


#3

Umm I find it anyway. You must append the average of STUDENTS to the result:

for students in students:
    results.append(get_average(students))

and return the average of results.


#4

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