将学生数据存储在python列表中以获取百分比

students = [
    {"name": "Alice", "score": 85},
    {"name": "Bob", "score": 92},
    {"name": "Charlie", "score": 78},
    # 更多学生...
]

# 计算平均成绩
total_score = sum(student["score"] for student in students)
average_score = total_score / len(students)

# 计算高于平均成绩的学生百分比
above_average_count = sum(1 for student in students if student["score"] > average_score)
percentage_above_average = (above_average_count / len(students)) * 100

print(f"平均成绩: {average_score}")
print(f"高于平均成绩的学生百分比: {percentage_above_average:.2f}%")

if students:
    # 计算逻辑...
else:
    print("没有学生数据")

for student in students:
    if not isinstance(student["score"], (int, float)):
        raise ValueError(f"无效的成绩: {student['score']}")