Teaching Programming

superpollo utente at esempio.net
Tue May 4 14:16:48 EDT 2010


superpollo ha scritto:
> James Mills ha scritto:
>> On Tue, May 4, 2010 at 9:56 PM, superpollo <utente at esempio.net> wrote:
>>> of course! *but* if i must generate on-the-fly python code that 
>>> defines a
>>> function i am back again to the problem:
>>
>> One-liner:
>>
>> $ python
>> Python 2.6.5 (r265:79063, Apr 27 2010, 18:26:49)
>> [GCC 4.4.1 (CRUX)] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> a, b = 2, 3
>>>>> print a + b if a > b else a**b - b**2
>> -1
>>>>> a, b = 3, 2
>>>>> print a + b if a > b else a**b - b**2
>> 5
>>
>> --James
> 
> what if i want an elif clause?
> 

my first try obviously falied:

 >>> print a + b if a > b elif a=b "WOW" else a**b - b**2
   File "<stdin>", line 1
     print a + b if a > b elif a=b "WOW" else a**b - b**2
                             ^
SyntaxError: invalid syntax




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