Correction of example for parameters extraction

[pmaroneh]

Due to recent changes with parameters this example needs to be adjusted for the last section :
mapdl.vget("frequencies(1)", 1)
mapdl.vget("response(1)", 3)
become:
mapdl.vget("frequencies", 1)
mapdl.vget("response", 3)

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[codecov]

Codecov Report

Merging #1528 (53db5cc) into main (5a1d529) will not change coverage.
The diff coverage is n/a.

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  Coverage   81.80%   81.80%           
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  Files          43       43           
  Lines        6797     6797           
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  Hits         5560     5560           
  Misses       1237     1237           

[germa89]

Hi @pmaroneh

Thank you for your PR!?

I wonder @pmaroneh, @RGPATCHI and @mikerife if we should support also parameter(1)?? I am thinking on the converter module, I believe it will translate to parameter(1)...
So we should probably support that?? Or change also the converter module. But I am also considering the case vget,parameter(1,2)... where the second column will be used.

I need to think a bit more about this....

[germa89]

LGTM. Feel free to merge @pmaroneh ! And thank you for your contribution! :)