wow, thanks a ton to both of you.
richard, i understand what you mean about the children and ill think
about it more the next time i approach the problem
scott, youve defenietly convicned me about that. i dont think youve
convinced me enough to replace my already written code, but i will
defenitely be using that structure in the future.
On May 5, 7:42 pm, Scott SA <[EMAIL PROTECTED]> wrote:
> On 5/5/08, phillc ([EMAIL PROTECTED]) wrote:
>
> >fourth:
> >====
> >i never understood this, why do people do
>
> >somevar = "blah blah %s" % anothervar
>
> >instead of "blah bla" + anothervar
> >?
>
> Because you can perform specific string formatting operations at the same
> time. Plus, the formatting and data are separated, not to mention the
> readability IMO is better as you'll see below.
>
> Take for example a float value of 3.141526. Depending upon the circumstance,
> you may wish to round this value but you don't want to lose the precision.
>
> >>> '%0.2f' % 3.1425
> '3.14'
>
> It gets _much_ better as there is the ability to name that value for
> formatting. There are a couple of ways to tap into this but the one I use all
> the time is from a dictionary, here is a simplistic example.
>
> First, you need a dictionary, here's a simple one:
>
> >>> somedict = {}
> >>> somedict['first_name'] = 'Wilber'
> >>> somedict['last_name'] = 'Snodtgrass'
> >>> somedict['salutation'] = 'Mr.'
>
> Then, when ready, you can use string formatting like this:
>
> >>> 'Dear %(salutation)s %(first_name)s %(last_name)s,' % somedict
> 'Dear Mr. Wilber Snodtgrass,'
>
> Sure beats the snod out of:
>
> >>> 'Dear ' + somedict['salutation'] + \
> ... ' ' + somedict['first_name'] + ' ' + \
> ... somedict['last_name'] + ','
> 'Dear Mr. Wilber Snodtgrass,'
>
> As you can see, complex string formatting is possible. My examples only show
> a the shiny tail-pipe of a very sweet and powerful vehicle.
>
> HTH
>
> Scott
>
> PS. If all you are doing is terminating a line, then this is fine:
> text_block + '/n'
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