8. Part of tthe Whole


#1

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

"Oops, try again. get_class_average([alice]) returned 83.8666666667 instead of 91.15 as expected"

I can't see anything wrong with my code that would interfere with the numbers. What exactly am I doing wrong?

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]
}

students = ["lloyd", "alice", "tyler"]

# Add your function below!
def average(numbers):
    total = sum(numbers)
    total = float(total)
    return total / len(numbers)

def get_average(student):
    homework = average(student["homework"])
    quizzes = average(student["quizzes"])
    tests = average(student["tests"])
    homework *= 0.1
    quizzes *= 0.3
    tests *= 0.6
    return homework + quizzes + tests
    
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"

results = []

def get_class_average(students):
    results.append(get_average(lloyd))
    results.append(get_average(alice))
    results.append(get_average(tyler))
    return average(results)

#2

students (your function parameter) can be a list of one or more students, so loop over students, don't manually add to results. Also place results inside the function since it is part of the function


#3

That worked, thanks!


#4