category_encoders_dataframe.py

import pandas as pd 
import category_encoders as ce 

# create a Dataframe 
data = pd.DataFrame({ 'gender' : ['Male', 'Female', 'Male', 'Female', 'Female'],
                      'class' : ['A','B','C','D','A'],
                      'city' : ['Delhi','Gurugram','Delhi','Delhi','Gurugram'] }) 
                                                                                      
data.head()