pandas join DataFrame force suffix?

Question

How can I force a suffix on a merge or join. I understand it\'s possible to provide one if there is a collision but in my case I\'m merging df1 with df2 which doesn\'t cause an

Answer 1

As of pandas version 0.24.2 you can add a suffix to column names on a DataFrame using the add_suffix method.

This makes a one-liner merge command with force-suffix more bearable, for example:

df_merged = df1.merge(df2.add_suffix('_2'))