Where is 'palindrome' defined?

[Grant Edwards]

On 2015-06-01, Gary Herron <gherron at digipen.edu> wrote:
> On 05/31/2015 09:46 PM, fl wrote:
>> Hi,
>>
>> When I search solution of reverse a string/number, I came across a short
>> function online:
>>
>>>>> def palindrome(num):
>> 	return str(num) == str(num)[::-1]
>>
>> I thought that it is a general function. And with the following variable:
>
> No, this  function is not built into Python because...

Because writing a palindrome predicate is something that is only ever
done as a homework exercise in an introduction to programming class.
If it were part of the standard library, Python would not be
appropriate for such a class.

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