Oops, try again. get_average(alice) raised the following error: local variable 'homework' referenced before assignment

```
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 = total/float(len(numbers))
return total
def get_average(student):
homework = average(student[homework])
quizzes = average(student[quizzes])
tests = average(student[tests])
weighted_average = (0.1*homework) + (0.3*quizzes) + (0.6*tests)
return weighted_average
```