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

# Am not sure about what is missing

**diddoirosh**#1

**system**#5

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