The code runs fine locally on my computer, I would like to know what the meaning of the error is ? the result is:

Lloyd

80.55

Alice

91.15

Tyler

79.9

No errors

```
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!
students = [lloyd,alice,tyler]
def get_average(students):
for student in students:
total = 0
total_quizz = 0
total_grades = 0
sum = 0
#calculating homework avg
for grades in student["homework"]:
sum = 0
length = len(student["homework"])
total = total + grades
float(total)
homeworks = ((total/float(length)) * 0.1)
for marks in student["quizzes"]:
haykel = len(student["quizzes"])
total_quizz += marks
quizz = ((total_quizz/float(haykel)) * 0.3)
for grades in student["tests"]:
length = len(student["tests"])
total_grades += grades
tests = (total_grades/float(length)) * 0.6
print student["name"]
sum = quizz + homeworks + tests
print sum
get_average(students)
```