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]

def average(numbers):

total = sum(numbers)

total = float(total)

length = len(numbers)

new = total / length

return new

def get_average(student):

homework = average(student["homework"])

quizzes = average(student["quizzes"])

tests = average(student["tests"])

grade1 = homework * .10

grade2 = quizzes * .30

grade3 = tests * .60

return grade1 + grade2 + grade3

```
print get_average(lloyd)
print get_average(alice)
print get_average(tyler)
```

def get_letter_grade(score):

score = get_average

if score >= 90:

return "A"

elif score >= 80 and score < 90:

return "B"

elif score >= 70 and score < 80:

return "C"

elif score >= 60 and score < 70:

return "D"

else:

return "F"

print get_letter_grade(get_average(lloyd))

Oops, try again. get_letter_grade(89) returned 'A' instead of 'B' as expected.

`Replace this line with your code.`