On 2005-12-23, Fredrik Lundh <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>
>> > So? the isdigit method tests whether all characters are digits.
>> >
>> >>>> '15'.isdigit()
>> > True
>>
>> But that is "obviously" wrong, since '15' is not a digit.
>
> no, but all characters in the string belongs to the "digit"
> character class, which is what the "is" predicates look for.
I know.
My point was that '15'.isdigit() returning True is in my
opinion "surprising" since '15' is not a digit in the most
obvious meaning of the phrase. In language design, "surprise"
is a bad quality.
It's like saying that [1,2,3,4] is an integer.
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