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

train_df = pd.read_csv('../input/train.csv')
test_df = pd.read_csv('../input/test.csv')
combine = [train_df, test_df]

NAs = pd.concat([train_df.isnull().sum(), test_df.isnull().sum()], axis=1, keys=['Train', 'Test'])
NAs[NAs.sum(axis=1) > 1]