[plt-scheme] can't find gensym in languages "Intermediate student in lambda" and "Advanced Student"

[Ratandeep Ratti]

Hi all,
   I was currently on exercise 32.1.3 in HTDP which says to use function
gensym, but
I can't find it in either of the languages "Intermediate student with
lambda" and "Advanced Student",

I do see the function gensym in the module language, can I include this
function  without changing
the language to module.?

Thanks.
rdsr
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