why does "help(import)" not work?

[Bruno Desthuilliers]

Chris Rebert a écrit :
> On Fri, Nov 6, 2009 at 2:28 AM, Robert P. J. Day <rpjday at crashcourse.ca> wrote:
 >
>>  um ... ok, i'll take your word for it, but is there at least a
>> generalizable pattern for what is directly help()able and what isn't?
> 
> Language keywords aren't help()-able:
> http://docs.python.org/reference/lexical_analysis.html#keywords
> Neither are punctuation/operators (see other sections on same webpage).

Ever tried help("import") or help("if") or help("+") ?