Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/python/300.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/1/list/4.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Python 附加到csv标题_Python_List_File_Csv_File Io - Fatal编程技术网

Python 附加到csv标题

Python 附加到csv标题,python,list,file,csv,file-io,Python,List,File,Csv,File Io,我将数据输入到.csv文件中,我是这样做的: my_list = ['ip5v', 'ip7.5', 'ip10v', 'ip12.5v', 'ip15v', 'ip17.5v', 'ip20v'] a = ipen('csv_fi.csv', 'a') b = csv.writer(a) b.writerow(('SerialNo','ip5v', 'ip7.5', 'ip10v', 'ip12.5v', 'ip15v', 'ip17.5v', 'ip20v')) 那么my.csv doc有

我将数据输入到.csv文件中,我是这样做的:

my_list = ['ip5v', 'ip7.5', 'ip10v', 'ip12.5v', 'ip15v', 'ip17.5v', 'ip20v']
a = ipen('csv_fi.csv', 'a')
b = csv.writer(a)
b.writerow(('SerialNo','ip5v', 'ip7.5', 'ip10v', 'ip12.5v', 'ip15v', 'ip17.5v', 'ip20v'))
那么my.csv doc有适当的列,如下所示:

SerialNo,ip5v, ip7.5v, ip10v, ip12.5v, ip15v, ip17.5v, ip20v
我试图使标题更通用,并做到了:

b.writerow(('SerialNo', my_list))
标题为:

SerialNo,"['ip5v', 'ip7.5v', 'ip10v', 'ip12.5v', 'ip15v', 'ip17.5v', 'ip20v']"
我哪里出错了,我应该如何编辑它使其成为通用的,如:

SerialNo,ip5v, ip7.5v, ip10v, ip12.5v, ip15v, ip17.5v, ip20v

您正在将一个两元组传递给writerow,您是指例如b.writerow['SerialNo']+我的列表吗?@jornsharpe yes。。谢谢兄弟。。解决了我的问题!使用DictWriter和相应的writeHeader方法也可能会带来一些好处。