text_html_output_1.png text_plain_output_1.png
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)

dftr = pd.read_csv('/kaggle/input/feedback-prize-english-language-learning//train.csv')
dftr['src'] = 'train'
dfte = pd.read_csv('/kaggle/input/feedback-prize-english-language-learning//test.csv')
dfte['src'] = 'test'
print(dftr.shape, dfte.shape, dfte.columns)
df = pd.concat([dftr, dfte], ignore_index=True)
dftr.head()