Run
import pandas as pd #initialize a dataframe df = pd.DataFrame( [[41, 72, 67, 91], [21, 78, 69, 87], [95, 74, 56, 88], [54, 54, 76, 78]], columns=['a', 'b', 'c', 'd']) #rename single column df.rename(columns={'b': 'k', 'c': 'm'}, inplace=True) #print the columns print(df)
Output