text_plain_output_1.png
import pandas as pd

train_df = pd.read_csv('../input/house-prices-advanced-regression-techniques/train.csv')
test_df = pd.read_csv('../input/house-prices-advanced-regression-techniques/test.csv')

print((train_df.isna().sum() / train_df.shape[0])[train_df.isna().sum() / train_df.shape[0] > 0.4])