pandas dataframe group by column and sum code example

Example 1: pandas groupby sum

df.groupby(['Fruit','Name'])['Number'].sum()

Example 2: python groupby sum single columns

df.groupby(['A','C'], as_index=False)['B'].sum()

Example 3: pandas sum group by

df.groupby(['Fiscal_Year','Billing_Group'])['CHARGE_AMT'].sum()