# 9. How is everybody doing?

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

students = [lloyd,alice, tyler]
print get_class_average(students)

I'm getting the following error:

83.8666666667
Traceback (most recent call last):
** File "python", line 50, in **
NameError: name 'get_lette_grade' is not defined

Any feedback is appreciated

#2

Hello, @skidfoma!
The problem is that your function is get_letter_grades other than get_lette_grades.

#3

Wow I always make careless mistakes. Thanks!

#4

No problem, Selma! Glad to help!