}

def average(numbers):

total = sum(numbers)

total = float(total)

total = total / len(numbers)

return total

def get_average(student):

homework = homework = average(student["homework"])

quizzes = average(student["quizzes"])

tests = average(student["tests"])

return homework * 0.1 + quizzes * 0.3 + tests * 0.6

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 results in students:

results.append(get_average(student))

return average(student)

print get_class_average(class_list)

print get_letter_grade(get_class_average(students))

`Replace this line with your code.`