Rubens-MacBook-Pro:python eljayan$ python
Python 2.7.7 (v2.7.7:f89216059edf, May 31 2014, 12:53:48)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> ruben = "ruben dario torres"
>>> ivan = "ivan alejandro torres"
>>> alex = "fanny alexandra torres"
>>> ruben = ruben.split()
>>> ivan = ivan.split()
>>> alex = alex.split()
>>> print (ruben, ivan, alex)
(['ruben', 'dario', 'torres'], ['ivan', 'alejandro', 'torres'], ['fanny', 'alexandra', 'torres'])
>>> matriz = [ruben,ivan,alex]
>>> matriz
[['ruben', 'dario', 'torres'], ['ivan', 'alejandro', 'torres'], ['fanny', 'alexandra', 'torres']]
>>> matriz[0]
['ruben', 'dario', 'torres']
>>> matriz[1]
['ivan', 'alejandro', 'torres']
>>> matriz[2]
['fanny', 'alexandra', 'torres']
>>> #ahora quiero solo un listado de los segundos nombres
>>> #para eso uso un for iterator in iterable object:
>>> segundonombre = [element[1] for element in matriz]
>>> segundonombre
['dario', 'alejandro', 'alexandra']
>>>quit()
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