Created
September 19, 2014 17:08
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student_tech.py
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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) | |
return total / len(numbers) | |
def get_average(student): | |
homework = average(student["homework"]) | |
quizzes = average(student["quizzes"]) | |
tests = average(student["tests"]) | |
return (0.10 * homework) + (0.30 * quizzes) + (0.60 * 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" | |
def get_class_average(students): | |
results = [] | |
for name in students: | |
results.append(get_average(name)) | |
return average(results) | |
students = [lloyd, alice, tyler] | |
print get_class_average(students) | |
print get_letter_grade(get_class_average(students)) |
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