text_plain_output_1.png
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)

districts_df = pd.read_csv('../input/learnplatform-covid19-impact-on-digital-learning/districts_info.csv')
products_df = pd.read_csv('../input/learnplatform-covid19-impact-on-digital-learning/products_info.csv')

prep = GetDfForPreprocessing(products_df)

prep.get_percentage_missing_columns()

products_null_columns = prep.get_column_with_null()
print('Columns With Null Value more than 30% : ')
print(products_null_columns)