在python中从文本文件中获取平均分数？

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def calculate_average_score(file_path):
    try:
        with open(file_path, 'r') as file:
            scores = [int(line.strip()) for line in file]
        
        if not scores:
            return 0
        
        average_score = sum(scores) / len(scores)
        return average_score
    except FileNotFoundError:
        print(f"文件 {file_path} 未找到")
        return None
    except ValueError:
        print("文件中包含非数字内容")
        return None

# 使用示例
file_path = 'scores.txt'
average_score = calculate_average_score(file_path)
if average_score is not None:
    print(f"平均分数是: {average_score}")