text_html_output_1.png
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)

train = pd.read_csv('../input/train.csv')
test = pd.read_csv('../input/test_id.csv')

train['UPDATE_TIME'] = train['UPDATE_TIME'].astype('datetime64[ns]')
test['UPDATE_TIME'] = test['UPDATE_TIME'].astype('datetime64[ns]')

train.tail()