MRAB writes:
> On 27/08/2010 20:43, Jussi Piitulainen wrote:
>> Dave Angel writes:
>>> Jussi Piitulainen wrote:
>>>> Agreed. But is there any nicer way to spell .reverse than [::-1]
>>>> in Python? There is .swapcase() but no .reverse(), right?
>>>>
>>> There can't be a .reverse() method on string, because it's
>>> immutable. You could use
>>>
>>> "".join(reversed(pal))
>>>
>>> but I'd prefer pal[::-1] as I said earlier.
>>
>> There could easily be a .reverse() method on strings. It would
>> return the reversed string, like .swapcase() returns the swapcased
>> string.
>
> Lists have a .reverse method, but it's an in-place reversal. In
> order to reduce confusion, a string method which returned the string
> reversed would be better called .reversed().
Yes, agreed.
Meanwhile, I have decided to prefer this:
def palindromep(s):
def reversed(s):
return s[::-1]
return s == reversed(s)
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