Pandas Series: add_suffix() function

In pandas add suffix can be used for both series and dataframe. It is used to suffix labels with string suffix. In series rows, labels are suffixed. In DataFrame columns, labels are suffixed.

Syntax

DataFrame.add_suffix(suffix)

Parameters:

suffix: The string to which we can add after each label.

Returns:

It may be a series or dataframe with updated labels.

Example

import pandas as pd
df_0= pd.DataFrame({'A': [1, 2, 3, 4], 'B': [5, 6, 7, 8]})
df_0

Output

	A	B
0	1	5
1	2	6
2	3	7
3	4	8

df_0.add_suffix('_a')

Output

	A_a	B_a
0	1	5
1	2	6
2	3	7
3	4	8