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

#1

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)
total=total/len(numbers)
return(total)

def get_average(student):
homework=average(student["homework"])
quizzes=average(student["quizzes"])
tests=average(student["tests"])
sum3=(0.1*homework)+(0.3*quizzes)+(0.6*tests)
return sum3

if score>=90:
return "A"
elif score>=80:
return "B"
elif score>=70:
return "C"
elif score>=60:
return "D"
else:
return "F"

# students=[lloyd, alice, tyler]

def get_class_average(students):
results=[]
for x in students:
print x
score1 = get_average(students)
print score1
results.append(score1)
print results
return average(results)

#2

You made the for loop but didn't use it for the calculation only for printing (inside the loop you average the whole students list not the x)