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import numpy as np

import pandas as pd

train = pd.read_csv('/kaggle/input/godaddy-microbusiness-density-forecasting/train.csv')
test = pd.read_csv('/kaggle/input/godaddy-microbusiness-density-forecasting/test.csv')
revealed_test = pd.read_csv('/kaggle/input/godaddy-microbusiness-density-forecasting/revealed_test.csv')
census = pd.read_csv('/kaggle/input/godaddy-microbusiness-density-forecasting/census_starter.csv')
revealed_test_dates = revealed_test.first_day_of_month.unique()
train = pd.concat([train, revealed_test])
train.index = np.arange(0, len(train))

dates = train.first_day_of_month.unique()
dates