How can I change a specific row label in a Pandas dataframe?

Question

I have a dataframe such as:

      0     1    2    3    4    5
0  41.0  22.0  9.0  4.0  2.0  1.0
1   6.0   1.0  2.0  1.0  1.0  1.0
2   4.0   2.0  4.0  1.0  0.         


        

Answer 1

use index attribute:

 df.index = df.index[:-1].append(pd.Index(['A']))