#1

Traceback (most recent call last):
File "python", line 57, in
File "python", line 39, in get_letter_grade
File "python", line 32, in get_average
TypeError: 'float' object has no attribute 'getitem'

this is my code
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]
}

def average(numbers):
total = sum(numbers)
total = float(total)
average = total / len(numbers)
return average

def get_average(student):
homework = average(student["homework"])
quizzes = average(student["quizzes"])
tests = average(student["tests"])
return homework * .1 + quizzes * .3 + tests * .6

if get_average(student) >= 90:
return "A"
elif get_average(student) >=80:
return "B"
elif get_average(student) >= 70:
return "C"
elif get_average(student) >= 60:
return "D"
else:
return "F"

def get_class_average(students):
results = []
for student in students:
results.append(get_average(student))
return average(results)
students = [lloyd, alice, tyler]
print get_class_average(students)
print get_letter_grade(get_class_average([lloyd, alice, tyler]))

is the error I am getting

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#2

That happens if you do something like this:

``````>>> (1.0)['kebab']
TypeError: 'float' object has no attribute '__getitem__'``````

floats do not support that operation. Perhaps you meant to use a dictionary instead?