下面是内存溢出 jb51.cc 通过网络收集整理的代码片段。
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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": [0.0,87.0,22.0],"quizzes": [0.0,78.0],"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*testsdef 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))
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