Reversing a string

Martin Durkin nospam at
Sun Jul 1 13:09:40 CEST 2007

Duncan Booth <duncan.booth at invalid.invalid> wrote in
news:Xns996067AFF71DDduncanbooth at 

> Martin Durkin <nospam at> wrote:
>>>>>> def rev(x):
>>>             mylist = []
>>>             for char in x:
>>>                  mylist.append(char)
>>>             mylist.reverse()
>>>             for letter in mylist:
>>>                  print letter
>>> However, compare the incredible difference in clarity and elegance
>>> between that and:
>>>> >>> print "\n".join("spam"[::-1])
>> OK, maybe I'm missing the point here as I'm new to Python. The first
>> one seems clearer to me. What am I missing?
> I think all you are missing is familarity with Python, but I too don't
> like one-liners simply for their own sake.

I guess that's it. The first one reads more like a textbook example which 
is about where I am at. Is there any speed benefit from the one liner?

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