Help with 8. Part of the whole


#1


Could use some help here. Always getting a syntax error on the last line but seem to be unable to grasp what's wrong.

< File "python", line 56
return average(results)
^
SyntaxError: invalid syntax>

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): 
    homework = average(student["homework"]) * 0.1
    quizzes = average(student["quizzes"]) * 0.3
    tests = average(student["tests"]) * 0.6
    
    score = homework + quizzes + tests
    
def get_letter_grade(score):
    if score >= 90: 
        return "A" 
    elif 80 <= score < 90: 
        return "B" 
    elif 70 <= score < 80:
        return "C"
    elif 60 <= score < 70:
        return "D"
    else: 
        return "F"
        
    print get_letter_grade(get_average(lloyd)) 
    
results = [] 
    
def get_class_average(students):
    
    for item in students: 
        get_average(item)
        results.append(get_average(student) 
        return average(results)


#3

Here:

You are missing a ).


#4

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