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 get_average(student):

homework= float(average(student["homework"]))

test_avg= float(average(student["tests"]))

quizzes = float(average(student["quizzes"]))

return (0.1 * homework + 0.60 *test_avg + .30 * quizzes)

def get_letter_grade(score):

if score >= 90: return "A"

elif score >= 80: return "B"

elif score >= 70: return "C"

elif score >= 60: return "D"

else: return "F"

def get_class_average(students):

results=[]

for student in students:

ave = get_average(student)

results.append(ave)

results = average(results)

return results

students = [lloyd,alice,tyler]

print "class grade",get_class_average(students)

*I am getting the following error..*

Oops, try again. get_class_average([alice]) resulted in an error: global name 'average' is not defined

Oddly enough the script works in Python IDLE