Python dépose le premier mot
>>> s = 'word1 word2 word3'
>>> s.split(' ', 1)
['word1', 'word2 word3']
>>> s.split(' ', 1)[1]
'word2 word3'
Arno Deceuninck
>>> s = 'word1 word2 word3'
>>> s.split(' ', 1)
['word1', 'word2 word3']
>>> s.split(' ', 1)[1]
'word2 word3'