8/9 error: Oops, try again. get_class_average([alice]) resulted in an error: unsupported operand type(s) for +: 'int' and 'dict'


#1

Can someone please help me? im confused.
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]
}

Add your function below!

def average(numbers):
total = float(sum(numbers))/len(numbers)
return total
def get_average(student):
homework = average(student["homework"]) * 0.1
quizzes = average(student["quizzes"]) * 0.3
tests = average(student["tests"]) * 0.6
total = homework + quizzes + tests
return total
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"
get_letter_grade(get_average(lloyd))
def get_class_average(students):
results = []
for student in students:
get_average(student)
results.append(student)
return average(results)


#2

I know that one of your problems is that when you call results.append() the parameter isn't supposed to be students, it is supposed to be results.append(get_average(student)). Hope this helps!


#3

then i get this error "Oops, try again. get_class_average([alice, lloyd]) returned 91.15 instead of 85.85 as expected"


#4

Check indentation return average(students) should be in the same in the same "line" as for.

(sorry i dont know how to copy the code properly indented)


#5

this code works

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]
}
students = [lloyd, alice, tyler]

Add your function below!

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

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

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"

print get_letter_grade(get_average(lloyd))

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


#6

no i get "Oops, try again. get_class_average([alice]) resulted in an error: unsupported operand type(s) for +: 'int' and 'dict'"


#7

never mind i read it wrong