`Replace this line with your code.`

# Hello I am stuck on this code. Could someone tell me what I am doing incorrect?

Here is my code. It is coming back with a global error.

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 = sum(numbers)

total = float(total)

total = total/len(numbers)

return total

def get_average(student):

homework = average(student["homework"]) * .10

quizzes = average(student["quizzes"]) * .30

tests = average(student["tests"]) * .60

return homework+quizzes+tests

def get_letter_grade(score):

if score >= 90:

return "A"

elif score >= 80:

return "B"

elif score >= 70:

return "C"

elif score >= 60:

return "D"

else:

return "F"

get_letter_grade(lloyd)

def get_class_average(students):

result = []

for x in students:

result = get_average(student)

results.append(result)

` return average(results)`

**system**#4

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