# 8. Part of the whole

#1

Hello,
Could you please help me? I am stuck and i cant find a solution on the forums...
Thank you!

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ERROR: Oops, try again. get_class_average([alice, lloyd]) returned 91.15 instead of 85.85 as expected

``````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]
}

def average(numbers):
total = sum(numbers)
total = float(total)
total = total / len(numbers)

def get_average(student):
homework = average(student["homework"])
quizzes = average(student["quizzes"])
tests = average(student["tests"])
averages = homework * quizzes * tests
return ((homework * 0.1) + (quizzes * 0.3) + (tests * 0.60))

if score >= 90:
return "A"
elif score >= 80:
return "B"
elif score >= 70:
return "C"
elif score >= 60:
return "D"
else:
return "F"

def get_class_average(students):
results = []
for student in students:
results.append(get_average(student))
return average(results)``````

#2

Study what your code is doing and compare that to what you believe it should be doing. A good start is to start by computing the result manually so that you know whether you agree with the exercise on the result

#3

My `return average(results)` had to be in line with my for statement.