```
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]
}
students=[lloyd,alice,tyler]
print get_letter_grade(get_average(lloyd))
print get_class_average(students)
# Add your function below!
def average(numbers):
total = sum(numbers)
return float(total)/len(numbers)
def get_average(student):
homework = 0.1 * average(student["homework"])
quizzes = 0.3 * average(student["quizzes"])
tests = 0.6 * average(student["tests"])
return homework + quizzes + tests
def get_class_average(students):
results = []
for student in students:
results.append(get_average(student))
return average(results)
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"
Traceback (most recent call last):
File "python", line 20, in <module>
File "python", line 27, in get_average
File "python", line 23, in average
TypeError: 'float' object is not callable
```

# Float object not callable

**mtf**#2

These lines appear before the functions have been defined. Move them to the bottom and the code will work.

**system**#3

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