https://www.codecademy.com/en/courses/python-beginner-en-qzsCL/1/4?curriculum_id=4f89dab3d788890003000096

there is no error but I am getting wrong output

Oops, try again. get_class_average([alice]) returned 65.55 instead of 91.15 as expected

```
Replace this line with your code. ```
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=float(sum(numbers))
return total/len(numbers)
def get_average(student):
homework=average(student['homework'])
quizzes=average(student['quizzes'])
tests=average(student['tests'])
return 0.6*tests+0.1*homework+quizzes*0.
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'
def get_class_average(students):
results=[]
for student in students:
results.append(get_average(student))
return average(results)
```