**Reference URL :** https://www.codecademy.com/courses/python-beginner-en-qzsCL/1/4?curriculum_id=4f89dab3d788890003000096

**getting error as :** Oops, try again. get_class_average([alice]) resulted in an error: global name 'studetns' is not defined

**My code :**

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=sum(numbers)

total=float(total)

total=total/len(numbers)

return total

def get_average(student):

for h in student:

homework=float(sum(student["homework"])/4)

quizzes=float(sum(student["quizzes"])/3)

tests=float(sum(student["tests"])/2)

return (homework*10 + quizzes*30 + tests*60)/100

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"

def get_class_average(students):

students = [lloyd, alice, tyler]

results=[]

for s in studetns:

results.append(get_average(s))

return (float(sum(results)))/3

`Can you tell me where my code went wrong?`