python读写csv文件

def readData():
    with open(‘csvFile.csv‘,‘rb‘) as fobj:
        csvFileReader = csv.reader(fobj,delimiter=‘-‘);
        header = next(csvFileReader);
        print header
        for row in csvFileReader:
            print row;

header = ["姓名","性别","年龄"];
    datas = [("李飞","男",15),
             ("张山","男",25)];
    with open(‘csvFile.csv‘,‘wb‘) as fobj:
        csvFileWriter = csv.writer(fobj,delimiter=‘-‘);
        csvFileWriter.writerow(header);
        csvFileWriter.writerows(datas);