6/9 Float Iteration error


#1

<PLEASE USE THE FOLLOWING TEMPLATE TO HELP YOU CREATE A GREAT POST!>

<Below this line, add a link to the EXACT exercise that you are stuck at.>
https://www.codecademy.com/courses/learn-python/lessons/student-becomes-the-teacher/exercises/just-weight-and-see?action=lesson_resume&link_content_target=interstitial_lesson

<In what way does your code behave incorrectly? Include ALL error messages.>
get_average(alice) raised the following error: ‘float’ object is not iterable

<What do you expect to happen instead?>
I don’t understand this error at all, there’s no iteration, it just needs to average the list?

```python

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):

  return sum(numbers)/len(numbers)

def get_average(student):
  homework = average(student["homework"])
  quizzes = average(student["quizzes"])
  tests = average(student["tests"])
  return sum(0.1*homework+0.3*quizzes+0.6*tests)
<do not remove the three backticks above>

#2

sum() gets you the sum of an iterable like a list. In your case you have numbers only, so you can just add them together using +


#3

Thanks so much! Seems obvious now, so an iterable is a thing with commas that you can use a for loop for? Thanks


#4

that is indeed what iterable means, anything that can be looped over


#5

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