#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):

``````def sum(numbers):
total=0
for number in numbers:
total+=number
total=float(total)
return sum(numbers)/len(numbers)``````

def get_average(student):
homework=average(student['homework'])
quizzes=average(student['quizzes'])
tests=average(student['tests'])
return (homework*0.1) + (quizzes*0.3) + (tests*0.6)

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 item in students:
x=get_average(item)
results.append(x)
y=(results)
return y

#2

Remember to call the average function on results.

#3

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