the last line does gives me invalid syntax error

EDIT I FOUND MY ERROR MISSING ON BRACE

i thought it would work

```
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]
}
student = {}
numbers = []
# Add your function below!
def average(numbers):
total = sum(numbers)
total = float(total)
total = total/len(numbers)
return total
def get_average(student):
return 0.1 * average(student["homework"]) + 0.6 * average(student['tests']) + 0.3 * average(student["quizzes"])
def get_letter_grade(score):
if score >= 90:
return "A"
elif 90 > score >= 80 :
return "B"
elif 80 > score >= 70:
return "C"
elif 70 > score >= 60:
return "D"
else:
return 'F'
get_letter_grade(get_average(lloyd))
idk=[]
def get_class_average(students):
results=[]
for student in students:
results.append(get_average(student)
return average(results)
```