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

books = pd.read_csv('//kaggle/input/book-recommendation-dataset/Books.csv')
ratings = pd.read_csv('//kaggle/input/book-recommendation-dataset/Ratings.csv')
users = pd.read_csv('//kaggle/input/book-recommendation-dataset/Users.csv')

users.isnull().sum()