evenOrOdd = True s1, s2 = "hi_cat_bye_dog_foo_bar_red", ""
for i in s1:
if i == '_':
s2 += ':' if evenOrOdd else ','
evenOrOdd = not evenOrOdd
else:
s2 += i
print s2
Presently I cannot work out how to use .join instead of += ...
While I realise this is producing a new string (and I believe +=
rebuilds it a lot?) how much slower
is this going to be over the others?
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