📅  最后修改于: 2022-03-11 14:47:03.882000             🧑  作者: Mango
In [27]: df
Out[27]:
A B C
0 -0.166919 0.979728 -0.632955
1 -0.297953 -0.912674 -1.365463
2 -0.120211 -0.540679 -0.680481
In [28]: df.columns
Out[28]: Index (['A', 'B', 'C'], dtype='object')