<PLEASE USE THE FOLLOWING TEMPLATE TO HELP YOU CREATE A GREAT POST!>

<Below this line, add a link to the EXACT exercise that you are stuck at.>

https://www.codecademy.com/courses/python-beginner-en-qzsCL/1/4?curriculum_id=4f89dab3d788890003000096

<In what way does your code behave incorrectly? Include ALL error messages.>

Oops, try again. get_class_average([alice]) resulted in an error: list indices must be integers, not str

<What do you expect to happen instead?>

Not sure how to make it print an integer and not string.

lloyd = {

ânameâ: âLloydâ,

âhomeworkâ: [90.0, 97.0, 75.0, 92.0],

âquizzesâ: [88.0, 40.0, 94.0],

âtestsâ: [75.0, 90.0]

}

alice = {

ânameâ: âAliceâ,

âhomeworkâ: [100.0, 92.0, 98.0, 100.0],

âquizzesâ: [82.0, 83.0, 91.0],

âtestsâ: [89.0, 97.0]

}

tyler = {

ânameâ: âTylerâ,

âhomeworkâ: [0.0, 87.0, 75.0, 22.0],

âquizzesâ: [0.0, 75.0, 78.0],

âtestsâ: [100.0, 100.0]

}

# Add your function below!

def average(numbers):

total = sum(numbers)

total = float(total)

return float(total) / len(numbers)

def get_average(student):

homework = average(student[âhomeworkâ]) * 0.1

quizzes = average(student[âquizzesâ]) * 0.3

tests = average(student[âtestsâ]) * 0.6

avefinal = ( homework + quizzes + tests)

return avefinal

def get_letter_grade(score):

if score >= 90:

return âAâ

elif score >=80:

return âBâ

elif score >= 70:

return âCâ

elif score >= 60:

return âDâ

else:

return âFâ

a = get_average(tyler)

print get_letter_grade(a)

def get_class_average(students):

results =

for student in students:

get_average(student)

results.append(get_average(student))

return get_average(results)

`<do not remove the three backticks above>`