Getting an error regarding code done previously in another lesson?


#1

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 = float(sum(numbers))
    result = total / float(len(numbers))
    return result
def get_average(student):
    homework = average(student["homework"])
    quiz = average(student["quizzes"])
    test = average(student["tests"])
    return (homework * 0.1) + (quiz * 0.3) + (test * 0.6)
    
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"
    
result = get_letter_grade(average(lloyd))
print result

#2

We need some more info. What error are you getting?


#3

Hello, this is the error I am getting:

Traceback (most recent call last):
File "python", line 43, in
File "python", line 21, in average
TypeError: unsupported operand type(s) for +: 'int' and 'str'


#4

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