import pandas

X_train = pandas.read_csv('X_train.csv',
                          engine='python',
                          encoding='ISO-8859-1',
                          sep=',')
X_dev = pandas.read_csv('X_dev.csv',
                          engine='python',
                          encoding='ISO-8859-1',
                          sep=',')
X_test = pandas.read_csv('X_test.csv',
                          engine='python',
                          encoding='ISO-8859-1',
                          sep=',')

X_train.describe(include='all').to_csv('X_train_stats.csv', index=True)
X_dev.describe(include='all').to_csv('X_dev_stats.csv', index=True)
X_test.describe(include='all').to_csv('X_test_stats.csv', index=True)