/helloworld/wordnumber.py

 1SPACE = ' '
 2
 3def adjustResults(badResults, shift):
 4	'''
 5	>>> adjustResults([('a', 0), ('bbb', 13)], 3)
 6	[('a', 3), ('bbb', 16)]
 7	'''
 8	goodResults = []
 9	for word, pos in badResults:
10		goodResults.append((word, pos + shift))
11	return goodResults
12
13def splitstring(s):
14	'''
15	>>> splitstring('xxx yyyy zzzz ')
16	[('xxx', 0), ('yyyy', 4), ('zzzz', 9)]
17	>>> splitstring(' x y   ')
18	[('x', 1), ('y', 3)]
19	'''
20	
21
22	if s == '':
23		return []
24	
25	if s[0] == SPACE:
26		return adjustResults(splitstring(s[1:]), 1)
27	else:
28		n = -1
29		for e in s:
30			n = n + 1
31			if e == SPACE:
32				return [(s[:n], 0)] + adjustResults(splitstring(s[n + 1:]), n + 1)
33		return [(s, 0)]
34
35	
36
37if __name__ == '__main__':
38	import doctest
39	doctest.testmod()