DOC: update the Index.get_values docstring (#20231)
DOC: update the Index.get_values docstring (#20231)

* DOC: update the Index.get_values docstring

* Corrections

* Corrected extended summary and quotes

* Correcting spaces, extended summary, multiIndex example

* See also correction

* Multi ndim

kdebrab/pandas,toobaz/pandas,pratapvardhan/pandas,gfyoung/pandas,MJuddBooth/pandas,toobaz/pandas,GuessWhoSamFoo/pandas,jorisvandenbossche/pandas,cython-testbed/pandas,jreback/pandas,harisbal/pandas,dsm054/pandas,rs2/pandas,TomAugspurger/pandas,harisbal/pandas,datapythonista/pandas,GuessWhoSamFoo/pandas,dsm054/pandas,amolkahat/pandas,datapythonista/pandas,rs2/pandas,gfyoung/pandas,MJuddBooth/pandas,GuessWhoSamFoo/pandas,jorisvandenbossche/pandas,cython-testbed/pandas,cython-testbed/pandas,louispotok/pandas,amolkahat/pandas,MJuddBooth/pandas,toobaz/pandas,GuessWhoSamFoo/pandas,datapythonista/pandas,kdebrab/pandas,louispotok/pandas,dsm054/pandas,datapythonista/pandas,dsm054/pandas,jorisvandenbossche/pandas,kdebrab/pandas,louispotok/pandas,jreback/pandas,gfyoung/pandas,amolkahat/pandas,toobaz/pandas,toobaz/pandas,TomAugspurger/pandas,jreback/pandas,jreback/pandas,cbertinato/pandas,pratapvardhan/pandas,jreback/pandas,harisbal/pandas,gfyoung/pandas,louispotok/pandas,TomAugspurger/pandas,harisbal/pandas,pandas-dev/pandas,amolkahat/pandas,rs2/pandas,MJuddBooth/pandas,cbertinato/pandas,cython-testbed/pandas,MJuddBooth/pandas,gfyoung/pandas,pandas-dev/pandas,pratapvardhan/pandas,rs2/pandas,pandas-dev/pandas,pratapvardhan/pandas,cython-testbed/pandas,cbertinato/pandas,kdebrab/pandas,GuessWhoSamFoo/pandas,jorisvandenbossche/pandas,TomAugspurger/pandas,kdebrab/pandas,cbertinato/pandas,amolkahat/pandas,cbertinato/pandas,dsm054/pandas,pandas-dev/pandas,louispotok/pandas,pratapvardhan/pandas,harisbal/pandas