大约有 39,480 项符合查询结果（耗时：0.0520秒） [XML]
Selecting pandas column by location
...57134 -1.321025 1.325853 -2.513373
4 1.366180 -1.265185 -2.184617 0.881514
>>> df.iloc[:, 2]
0 0.282734
1 2.583704
2 -1.560583
3 1.325853
4 -2.184617
Name: C
>>> df[df.columns[2]]
0 0.282734
1 2.583704
2 -1.560583
3 1.325853
4 -2.184617
Name: C
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