> Otared Kavian <mailto:otared@gmail.com>
> 19. März 2017 um 17:46via Postbox 
> <https://www.postbox-inc.com/?utm_source=email&utm_medium=sumlink&utm_campaign=reach>
> Hi Aditya,
>
> Thanks, as Thomas, Pablo and you mentioned the right way is to use 
> context() instead of tex.print()
> Actually I just saw that one can also concatenate with context() as in:
>
> context("(" .. vecteurX[i] .. ", " .. vecteurY[i] .. ")\\par")
>
> which is equivalent to
> tex.print("(" .. vecteurX[i] .. ", " .. vecteurY[i] .. ")\\par")
You can use the string.formatters function for this.

\starttext

\startluacode

local string_a = "12"
local string_b = "23"

context(string.formatters["(%s,%s)"](string_a,string_b))

\stopluacode

\stoptext

Wolfgang