**

## "Oops, try again. get_class_average([alice]) returned 91.1 instead of 91.15 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]
}
students= [lloyd, alice, tyler]
# Add your function below!
def average (numbers):
total =sum(numbers)
total = float (total)
return total/len(numbers)
def get_average(student):
homework=int(average(student['homework']))
quizzes= average(student['quizzes'])
tests= average(student['tests'])
return 0.1*homework +0.3*quizzes +0.6*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'
print get_letter_grade( get_average(lloyd))
def get_class_average (students):
results= []
for student in students:
results.append(get_average(student))
return average(results)
```