On 16/01/2014 22:30, John Gordon wrote:
In <mailman.5607.1389911083.18130.python-l...@python.org> Nac Temha
<nacctte...@gmail.com> writes:
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Content-Type: text/plain; charset=ISO-8859-1
Hi everyone,
I want to do operation with chars in the given string. Actually I want to
grouping the same chars.
For example;
input : "344111133311222223377"
operation-> (3)(44)(1111)(333)(11)(22222)(33)(77)
output: "34131237"
input = "344111133311222223377"
output = []
previous_ch = None
for ch in input:
if ch != previous_ch:
output.append(ch)
previous_ch = ch
print ''.join(output)
Cheat, you've used a list :)
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
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