lift-3.py

group_df = df.groupby('GROUP')

#Total Number of Leads in each Group
leads_count = group_df['CONVERT_ACTUAL'].count()
#Number of Leads who Converted in Each Group
convert_count = group_df['CONVERT_ACTUAL'].sum()

lift = convert_count/leads_count


#Consolidate Results into Output Dataframe
lift_df = pd.DataFrame({
            'CONVERT_COUNT': convert_count,
            'LEADS_COUNT': leads_count,
            'LIFT':lift})