What python can NOT do?
grante at visi.com
Sat Sep 5 05:27:39 CEST 2009
On 2009-09-05, Steven D'Aprano <steve at REMOVE-THIS-cybersource.com.au> wrote:
> On Fri, 04 Sep 2009 08:21:15 -0700, Mike Coleman wrote:
>> It is true, though, that Python
>> cannot be used to write arbitrarily complex one-liners, though.
>>>> exec "x=1\0while x < 5:\0 x+=1\0print x".replace('\0','\n')
> Take (almost) any arbitrary piece of Python code. Replace all newlines by
> nulls. Escape any quotation marks. Wrap the whole thing in quotes, and
> pass it to exec as above, and you have an arbitrarily complex one-liner.
I don't understand the reason for the newline/null swapping.
Why not just do this?
>>> exec "x=1\nwhile x < 5:\n x+=1\nprint x\n"
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