text_plain_output_1.png
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)

train_set = pd.read_csv('/kaggle/input/preprocessed-sales-data/train_set.csv')
validation_set = pd.read_csv('/kaggle/input/preprocessed-sales-data/validation_set.csv')
test_set = pd.read_csv('/kaggle/input/competitive-data-science-predict-future-sales/test.csv')

train_set.head().T