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

data = pd.read_csv('../input/argentina.csv')

data.NUMBER = data.NUMBER.astype(str)
data.NUMBER = data.NUMBER.str.strip(' ')

data['DIGITO'] = data.NUMBER.map(lambda x: x[0])
data.head()