python3-文件读写练习:计算学生总成绩

results = []
with open('scores.txt',mode='r+',encoding='gbk') as f1:
    lines = f1.readlines()
    f1.close()    
    for line in lines:
        data = line.split()
        print ('学生各科成绩:\n',data)
        sum = 0       
        for i in data[1:]:
            sum+=int(i)            
        result = '%s:%d\n'%(data[0],sum)
        print ('总分=',result)
        results.append(result)
    print (results)
with open ('output.txt',mode='w+',encoding='gbk') as f2:
    #write只能向文件写入str
    #writelines可以向文件写入list
    f2.writelines(results)
    f2.close()
            






#list
list1=['hello','world']
list1.append('beijing')
print('更新后的列表:',list1)
            
            
        

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