https://www.codecademy.com/courses/python-beginner-en-qzsCL/1/5?curriculum_id=4f89dab3d788890003000096

Oops, try again. Did you remember to print the average of the class? It looks like "83.8666666667" wasn't printed.

it's not working

```
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)
totes = float(total) / len(numbers)
return totes
def get_average(student):
homework=average(student["homework"])
quizzes=average(student["quizzes"])
tests=average(student["tests"])
return (0.1 * homework + 0.3 * quizzes + 0.6 * tests)
def average(student):
return float(sum(student)) / len(student)
def get_average(student):
return (0.1 * average(student["homework"]) + 0.3 * average(student["quizzes"]) + 0.6 * average(student["tests"]))
def get_letter_grade(score):
if score >= 90:
return "A"
elif 80 <= score <= 90:
return "B"
elif 70 <= score <= 80:
return "C"
elif 60 <= score <= 70:
return "D"
else:
return "F"
print get_letter_grade(get_average(lloyd))
def get_class_average(students):
return average([get_average(student) for student in students])
```