CODE EXAMPLE FOR PYTHON

create python dataframe

# Python code demonstrate creating
# pandas DataFrame with indexed by
  
# DataFrame using arrays.
import pandas as pd
  
# initialize data of lists.
data = {'Name': ['Tom', 'Jack', 'nick', 'juli'],
        'marks': [99, 98, 95, 90]}
  
# Creates pandas DataFrame.
df = pd.DataFrame(data, index=['rank1',
                               'rank2',
                               'rank3',
                               'rank4'])
  
# print the data


grouped = df.groupby(['class', 'avg calories per unit'])
grouped