Hi there, stuck on this last part, when I click save and submit I can see a class average of 83.8666666667 which is an A grade however I get an error message: **"Oops, try again. Did you remember to print the letter grade for the class's average?"** Do any of you know why this is as I cannot seem to figure it out. Many thanks

```
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)
average = total / len(numbers)
return average
def get_average(student):
homework = average(student["homework"])
quizzes = average(student["quizzes"])
tests = average(student["tests"])
total = 0.1*homework + 0.3*quizzes + 0.6*tests
return total
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:
x = (get_average(student))
results.append(x)
return average(results)
print get_class_average(students)
print get_letter_grade(average)
```