# Unsupported operand

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

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):
result=[]
for student in students:
result.append(get_average(student))
return average(students)

get_class_average([alice])``````

resulted in an error: unsupported operand type(s) for +: 'int' and 'dict'

It's ok to be average
#2

Does that look right to you?

#3

Thank you,I basically saw others answers and strayed.It must be : return average(results)

#4

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