- 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'
- 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)
- print get_letter_grade(get_class_average(students))
- #该片段来自于http://www.codesnippet.cn/detail/1710201410664.html
来源: http://www.codesnippet.cn/detail/1710201410664.html