```
def average(numbers):
total = sum(numbers)
total = float(total)
return(total / len(numbers))
def get_average(student):
homework = average(student["homework"])
quizzes = average(student["quizzes"])
tests = average(student["tests"])
return(sum((0.1*homework) + (0.3*quizzes) + (0.6*tests)))
```

ERROR: Oops, try again. get_average(alice) raised the following error: 'float' object is not iterable

CONSOLE: None

What is the error saying I'm doing wrong?!