A small quiz question
Steve D'Aprano
steve+python at pearwood.info
Wed Aug 16 07:44:44 EDT 2017
On Wed, 16 Aug 2017 09:06 pm, Stefan Ram wrote:
> I wrote my first Python quiz question!
>
> It goes like this:
>
> Can you predict (without trying it out) what the Python
> console will output after the following three lines have
> been entered?
>
> def f(i): print(i); return i;
>
> f(4)**f(1)**f(2)
My initial prediction was:
4
1
2
16
which is embarrassing. Fortunately my supper arrived in the nick of time
to distract me from hitting Send, just long enough to remember that 1*1
is 1, not 2.
So how about:
4
1
2
4
Unless its a syntax error... I can't remember if the REPL allows multiple
semi-colon separated statements after a colon declaration. I know it gets mad
at this:
py> def a(): pass; def b(): pass
File "<stdin>", line 1
def a(): pass; def b(): pass
^
SyntaxError: invalid syntax
So my wild guess is that this is a trick question and the actual answer is that
its a SyntaxError.
Otherwise, I'm sticking with
4
1
2
4
--
Steve
“Cheer up,” they said, “things could be worse.” So I cheered up, and sure
enough, things got worse.
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