# 9/9: What is wrong with my code? It returns with an error

#1
``indent preformatted text by 4 spaces``

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 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 and score<90:
return "B"
elif score>=70 and score<80:
return "C"
elif score>=60 and score<70:
return "D"
else:
return "F"``````

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

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

The error is "Global name 'average' not defined"

#2
``````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 get_average(student):
homework=sum(student["homework"])/(len(student["homework"])*1.0)
quizzes=sum(student["quizzes"])/(len(student["quizzes"])*1.0)
tests=sum(student["tests"])/(len(student["tests"])*1.0)
return  0.1*homework+0.3*quizzes+0.6*tests

def get_letter_grade(score):
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"``````

#### -

``````print "alice average: "+str(get_average(alice))
#print get_letter_grade(60)

print "lloyd letter-grade: "+ str(get_letter_grade(get_average(lloyd)))
"""
print get_letter_grade(alice)
print get_letter_grade(tyler)
students=[lloyd, alice, tyler]
"""
def get_class_average(students):
results=[]
for student in students:
#print student
results.append(get_average(student))
print "class results array: "+str(results)
print "class average: "+str(sum(results)/(len(results)*1.0))

get_class_average(students)``````