# Oops, try again. One of the following is missing or broken when we tried to use it: alice, lloyd, tyler, students, get_class_average, get_letter_grade

#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= float(sum(numbers))
result =total/ len(numbers)
return result
def get_average(student):
homework = average(student["homework"]) * 0.1
quizzes = average(student["quizzes"]) * 0.3
tests = average(student["tests"]) * 0.6
t= homework + quizzes + tests
return t
if score>=90:
return 'A'
elif score >=80 and score <90:
return 'B'
elif score >=70 and score <80:
return 'C'
elif score >=60 and score<70:
return 'D'
else:
return 'F'
def get_class_average(students):
results = [ ]
for s in students:
results.append(get_average(s))
return average(results)
print results

#2

the students list you build in 3. put it together is missing, you need it here

#3

oh! is there any other way to remove this error??

#4

Yes, add the students list you made in 3. Put it Together.

#5

what is this '3: you are talking about?

#6

all the exercises within a track (students become teachers is the track you are at) are named and numbered, there is a hamburger navigation menu in the bottom left

#7

oh ok!! Thankyou so much

#8

This topic was automatically closed 7 days after the last reply. New replies are no longer allowed.