采用函数统计学生成绩:输入学生的成绩,计算并输出这些学生的最低分、最高分、平均分。
时间: 2024-09-17 09:06:48 浏览: 34
当你需要采用函数统计学的方式对学生成绩进行分析时,可以按照以下步骤编写程序:
1. 定义一个函数,例如`calculate_scores(scores)`,它接受一个包含学生分数的列表作为输入参数。这个列表可以是整数或浮点数。
```python
def calculate_scores(scores):
```
2. 初始化变量,如`min_score = scores[0]`用于记录最低分,`max_score = scores[0]`用于记录最高分,`sum_of_scores = 0`用于累加总分,然后遍历列表。
```python
min_score = max_score = scores[0]
sum_of_scores = sum(scores)
```
3. 遍历列表,更新最低分、最高分,并累加总分。
```python
for score in scores:
if score < min_score:
min_score = score
elif score > max_score:
max_score = score
sum_of_scores += score
```
4. 计算平均分,即总分除以学生人数。假设列表长度为n,可以这样计算:
```python
average_score = sum_of_scores / len(scores)
```
5. 最后,返回这些统计信息,包括最低分、最高分和平均分。
```python
return min_score, max_score, average_score
```
完整代码示例(Python):
```python
def calculate_scores(scores):
min_score = max_score = scores[0]
sum_of_scores = sum(scores)
for score in scores:
if score < min_score:
min_score = score
elif score > max_score:
max_score = score
average_score = sum_of_scores / len(scores)
return min_score, max_score, average_score
# 测试数据
student_scores = [85, 92, 78, 96, 88]
result = calculate_scores(student_scores)
print(f"最低分:{result[0]}, 最高分:{result[1]}, 平均分:{result[2]}")