我从txt.file中提取了由于注释而跳过前几行的行。在这之后,我有一组列表。如何只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', '28.00', '28.00', '0.00', '0.00']
感谢您的帮助。
答案 0 :(得分:0)
你是什么意思"列表组"?对于列表列表,可以这样做:
fill:"currentColor"
输出:
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)