transforming a list into a string
Steven Rumbalski
srumbalski at copper.net
Sun Aug 1 16:03:46 EDT 2004
Peter Otten wrote:
Peter's solution:
>>>> from itertools import izip
>>>> items = ['1','2','7','8','12','13']
>>>> it = iter(items)
>>>> ",".join(["{%s,%s}" % i for i in izip(it, it)])
> '{1,2},{7,8},{12,13}'
My first thought was:
>>> items = ['1','2','7','8','12','13']
>>> ",".join(["{%s,%s}" % i for i in zip(items[::2], items[1::2])])
'{1,2},{7,8},{12,13}'
Two lines less, but it creates three unnecessary lists. I like
Peter's better.
--Steven Rumbalski
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