9. How is Everybody Doing? / Error in Code


#1



Could u please help me to understand what is the mistake in the code? Thanks.

9. How is Everybody Doing?

Error Message
Oops, try again. get_class_average([alice]) resulted in an error: list indices must be integers, not str


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]
}

def average(numbers):
    total=0
    total = sum(numbers)
    total = float(total)
    total = total/ len(numbers)
    return total
    
def get_average(student):
    homework =average(student["homework"])
    quizzes =average(student["quizzes"])
    tests =average(student["tests"])
    sonuc=0.1*homework+0.3*quizzes+0.6*tests
    return sonuc

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):
    results=[]
    for eachstudent in students:
        results.append(get_average(students))
    return average(results)


#2

here:

results.append(get_average(students))

what is students?

and what does the get_average function do?

can you answer me those questions, then i will help you further


#3

Probably also help if you spaced some of your words out :P. Hate when that happens xD


#4

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