63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
#student_scores
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def read_scores(filename):
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student_scores = {}
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try:
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file = open(filename, 'r',encoding='utf-8')
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next(file) # 跳过第一行（标题行）
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for line in file:
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name, chinese, math, english = line.strip().split()
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scores = [float(chinese), float(math), float(english)]
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student_scores[name] = scores
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return student_scores
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except FileNotFoundError:
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print(f"错误：文件'{filename}'不存在。")
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return {} # 返回空字典
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except ValueError:
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print("文件格式错误，每行应该包含姓名和三门课程的成绩。")
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return {} # 返回空字典
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except Exception as e:
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print(f"读取文件时发生错误：{e}")
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return {} # 返回空字典
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def calculate_averages(student_scores):
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averages = {}
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for name, scores in student_scores.items():
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averages[name] = sum(scores) / len(scores)
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return averages
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def write_averages_to_file(filename, averages):
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try:
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file=open(filename, 'w')
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file.write("姓名 平均成绩\n")
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for name, average in averages.items():
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file.write(f"{name} {average:.2f}\n")
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except Exception as e:
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print(f"写入文件时发生错误：{e}")
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# 主程序
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scores_filename = 'student_scores.txt'
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averages_filename = 'student_averages.txt'
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# 读取成绩
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student_scores = read_scores(scores_filename)
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# 如果 student_scores 是空字典，则不进行后续操作
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if student_scores:
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# 计算平均成绩
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averages = calculate_averages(student_scores)
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# 将平均成绩写入文件
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write_averages_to_file(averages_filename, averages)
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else:
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print("没有数据可用于计算平均成绩。")
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fo=open('student_scores.txt','r',encoding='UTF-8')
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fo_line=fo.readlines()
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infor={}
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for i in range(1,len(fo_line)):
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name,C,M,E=fo_line[i].strip().split(' ')
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print(name,C,M,E)
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infor[name]=(float(C),float(M),float(E))
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print(infor) |