# I don't know where the problem lies? please check, it's 9/9

#1

``````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):
sum(numbers)
total = sum(numbers)
total = float(total)
avg = total/len(numbers)
return avg
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
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)
students = ["lloyd","alice","tyler"]
print get_class_average(students)

#2

hint**
Why you put names of students inside quotes?
"lloyd" , "alice" , "tyler" ?

#3

Further hint**
students = ["lloyd","alice","tyler"]

#4

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