Student Becomes The Teacher 9/9 - Please Assist


#1


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

Error Message:

Oops, try again. One of the following is missing or broken when we tried to use it:
alice, lloyd, tyler, students, get_class_average, get_letter_grade

Code seems to be working fine, I passed all other lessons before 9/9 without any error. I think it may be an error earlier in the code but I am not sure.


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 = 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'])
    #student[homework] = .1 
    #student[quizzes] = .3
    #student[tests] = .6
    sum = .1 * homework + .3 * quizzes + .6 * tests 
    return sum
    
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 get_class_average(students)
    return get_letter_grade(get_class_average(students))


#2

here:

    students = ['lloyd', 'alice', 'tyler',]
    print get_class_average(students)
    return get_letter_grade(get_class_average(students))

why does your students list contain strings?

why are this line inside the function? students should be a global list, and the function calls execute the functions so they should be outside the function (hint: indent)


#3

Ah, so the student name's should not be in strings? Because I am referencing the dictionaries alice, tyler, and lloyd? Makes sense...

Code doesn't work like this either:

students = [lloyd, alice, tyler]
print get_class_average(students)
return get_letter_grade(get_class_average(students))

And I get an error: "Line 56, unexpected indent'


#4

yes

please post your full code with format:


#6

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 = 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'])
    #student[homework] = .1 
    #student[quizzes] = .3
    #student[tests] = .6
    sum = .1 * homework + .3 * quizzes + .6 * tests 
    return sum
    
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 get_class_average(students)
    return get_letter_grade(get_class_average(students))

#7

two problems with this line:

    return get_letter_grade(get_class_average(students))

why does it have 4 spaces indent? And why you use return?


#9

Thank you, I have it now :slight_smile:


#10