text_plain_output_1.png
import pandas as pd

df_train = pd.read_csv('prediction_challenge/covid19-global-forecasting-week-4/train.csv')

df_test = pd.read_csv('/kaggle/input/covid19-global-forecasting-week-4/test.csv')

df_test.loc[df_test['Province_State'].isnull(), 'Province_State'] = 'None'
df_test.isnull().sum()