How Is Everybody Doing?


#1



https://www.codecademy.com/courses/python-beginner-en-qzsCL/1/5?curriculum_id=4f89dab3d788890003000096


Traceback (most recent call last):
File "python", line 55, in
File "python", line 23, in average
TypeError: unsupported operand type(s) for +: 'int' and 'dict'


Replace this line with your code. 
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)
    result = total / len(numbers)
    return result
    
def get_average(student):  
    homework = average(student["homework"])
    quizzes = average(student["quizzes"])
    tests = average(student["tests"])
    return 0.1 * homework + 0.3 * quizzes + 0.6 * 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'
print get_letter_grade(get_average(lloyd))

def get_class_average(students):
    results = [] 
    for student in students:
        results.append(get_average(student))
    return  average(results)

students =[lloyd, alice, tyler]

print average(students)
print get_letter_grade(get_class_average(students))


#2

The average function takes a dictionary, not a list. student will be a dictionary.


#3

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