从txt文件中提取python
我从txt.file中提取了行,由于注释的原因跳过了前几行。完成此操作后,我有一组列表。如何仅获取第一个索引的值并将其附加到新列表中从txt文件中提取python,python,Python,我从txt.file中提取了行,由于注释的原因跳过了前几行。完成此操作后,我有一组列表。如何仅获取第一个索引的值并将其附加到新列表中 ['364.00', '0.000', '0.000', '364.00', '28.00', '28.00', '0.00', '0.00'] ['450.00','0.000','360.000','450.00','28.00','28.00','0.00','0.00'] ['590.00','0.000','360.000','590.00','28.
['364.00', '0.000', '0.000', '364.00', '28.00', '28.00', '0.00', '0.00']
['450.00','0.000','360.000','450.00','28.00','28.00','0.00','0.00']
['590.00','0.000','360.000','590.00','28.00','28.00','0.00','0.00']
谢谢你的帮助 你所说的“列表组”是什么意思?对于列表列表,可以这样做:
lists = [['450.00', '0.000', '360.000', '450.00', '28.00', '28.00', '0.00', '0.00'],
['590.00', '0.000', '360.000', '590.00', '28.00', '28.00', '0.00', '0.00']]
first_entries = [i[0] for i in lists]
print(first_entries)
输出:
['450.00'、'590.00']
到目前为止您尝试了什么?