thanks a lot!
On 23 Feb, 15:19, Anthony <abasta...@gmail.com> wrote:
> On Thursday, February 23, 2012 2:27:44 AM UTC-5, Mchurch wrote:
>
> > **{'%s%s' % (Keyword, n): checked})
> > Anthony, can you explain it better? It's something that I would like
> > to understand very well.
>
> '%s%s' % (Keyword, n) is Python string formatting -- if Keyword is "hello"
> and n is 5, it will produce the string "hello5". Now, suppose "checked" is
> a boolean value equal to True -- then the above will produce the following
> dictionary:
>
> {hello5: True}
>
> In Python, you can pass a dictionary to a function and precede it with **,
> and that is equivalent to passing each item in the dictionary to the
> function as a separate keyword argument. So,
>
> update(**{hello5: True})
>
> is equivalent to
>
> update(hello5=True)
>
> Of course, the "hello5" is generated dynamically, so we can't use the
> latter syntax, but we can construct a dictionary with a dynamically
> generated key, which enables us to use the former syntax.
>
> Anthony
