df_new = df.rename(columns={'A': 'a'}, index={'ONE': 'one'}) print(df_new) # a B C # one 11 12 13 # TWO 21 22 23 # THREE 31 32 33 print(df) # A B C # ONE 11 12 13 # TWO 21 22 23 # THREE 31 32 33
>gapminder.columns = ['country','year','population', 'continent','life_exp','gdp_per_cap']
