Code generation documentation: prose style
Code generation documentation: prose style

Tried to make code PEP8 compatible.
Changed Title.
Fixes #8889

Shaswat27/sympy,oliverlee/sympy,yashsharan/sympy,kaichogami/sympy,drufat/sympy,chaffra/sympy,rahuldan/sympy,aktech/sympy,jaimahajan1997/sympy,Shaswat27/sympy,kaichogami/sympy,Titan-C/sympy,skidzo/sympy,jaimahajan1997/sympy,postvakje/sympy,Arafatk/sympy,ChristinaZografou/sympy,Curious72/sympy,Titan-C/sympy,oliverlee/sympy,kaushik94/sympy,Curious72/sympy,souravsingh/sympy,skidzo/sympy,mafiya69/sympy,rahuldan/sympy,Shaswat27/sympy,skidzo/sympy,ChristinaZografou/sympy,drufat/sympy,aktech/sympy,kaichogami/sympy,lindsayad/sympy,jerli/sympy,madan96/sympy,mafiya69/sympy,drufat/sympy,hargup/sympy,hargup/sympy,postvakje/sympy,ChristinaZografou/sympy,chaffra/sympy,hargup/sympy,kaushik94/sympy,Curious72/sympy,kaushik94/sympy,Titan-C/sympy,yashsharan/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,lindsayad/sympy,postvakje/sympy,mafiya69/sympy,yashsharan/sympy,sampadsaha5/sympy,madan96/sympy,madan96/sympy,souravsingh/sympy,sampadsaha5/sympy,Arafatk/sympy,lindsayad/sympy,souravsingh/sympy,rahuldan/sympy,jerli/sympy,oliverlee/sympy,jerli/sympy,aktech/sympy,Arafatk/sympy,chaffra/sympy