text_plain_output_2.png application_vnd.jupyter.stderr_output_1.png image_output_1.png
import pandas as pd

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

import pandas as pd
train = pd.read_csv('../input/train.csv')
test = pd.read_csv('../input/test.csv')

train.isnull().any().sum()