How to sum values each row in csv which belongs to specific object?

Question

I have this csv:

ProductID, Price
P1, 10
P1, 19
P2, 68
P3, 18
P1, 20

How to sum total price of each ProductID, the result like this:

ProductID, Total
P1, 49
P2, 58
P3, 18

Thanks for your help!

Answer 1

Read the data into pandas and then use a group_by sum combination.

import pandas as pd

pandas_data_frame = pd.read_csv('path_to_csv_file')

pandas_data_frame.groupby(['ProductID']).sum()