text_plain_output_4.png application_vnd.jupyter.stderr_output_3.png text_plain_output_2.png application_vnd.jupyter.stderr_output_1.png
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)

df = pd.read_csv('/kaggle/input/demand-forecast-abal2/demand_forecast.csv', parse_dates=['date'])
df

df.groupby(['store', 'item']).size()