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

df = pd.read_csv('../input/airline-passenger-satisfaction/train.csv')
test = pd.read_csv('../input/airline-passenger-satisfaction/test.csv')
(df.shape, test.shape)

df_all = df.append(test)
df_all.shape

df_all.head(10).T