Python Split Space или вкладка

>>> teststr = "a   v w   ef sdv   \n   wef"
>>> print teststr
a   v w   ef sdv   
   wef
>>> teststr.split()
['a', 'v', 'w', 'ef', 'sdv', 'wef']
>>> teststr.split(" ")
['a', '', '', 'v', 'w', '', '', 'ef', 'sdv', '', '', '\n', '', '', 'wef']
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