Extended docstring of iterable() and NotIterable
Extended docstring of iterable() and NotIterable

drufat/sympy,dqnykamp/sympy,Designist/sympy,yukoba/sympy,hargup/sympy,Arafatk/sympy,liangjiaxing/sympy,jaimahajan1997/sympy,skidzo/sympy,sahilshekhawat/sympy,pandeyadarsh/sympy,pbrady/sympy,wanglongqi/sympy,cccfran/sympy,kumarkrishna/sympy,Curious72/sympy,abhiii5459/sympy,wyom/sympy,shikil/sympy,farhaanbukhsh/sympy,atsao72/sympy,ga7g08/sympy,jbbskinny/sympy,ahhda/sympy,saurabhjn76/sympy,beni55/sympy,jaimahajan1997/sympy,ahhda/sympy,jamesblunt/sympy,sahmed95/sympy,ChristinaZografou/sympy,yukoba/sympy,bukzor/sympy,pbrady/sympy,cswiercz/sympy,garvitr/sympy,hargup/sympy,Sumith1896/sympy,yashsharan/sympy,skirpichev/omg,Sumith1896/sympy,Gadal/sympy,mcdaniel67/sympy,ga7g08/sympy,jbbskinny/sympy,meghana1995/sympy,postvakje/sympy,rahuldan/sympy,VaibhavAgarwalVA/sympy,Shaswat27/sympy,Designist/sympy,souravsingh/sympy,cccfran/sympy,kumarkrishna/sympy,toolforger/sympy,kaushik94/sympy,Sumith1896/sympy,Davidjohnwilson/sympy,shikil/sympy,postvakje/sympy,sahilshekhawat/sympy,iamutkarshtiwari/sympy,VaibhavAgarwalVA/sympy,mcdaniel67/sympy,moble/sympy,souravsingh/sympy,oliverlee/sympy,souravsingh/sympy,Vishluck/sympy,liangjiaxing/sympy,sahmed95/sympy,shipci/sympy,asm666/sympy,postvakje/sympy,debugger22/sympy,atreyv/sympy,MridulS/sympy,AkademieOlympia/sympy,MechCoder/sympy,beni55/sympy,oliverlee/sympy,skidzo/sympy,MridulS/sympy,dqnykamp/sympy,abhiii5459/sympy,drufat/sympy,Titan-C/sympy,mafiya69/sympy,yukoba/sympy,wanglongqi/sympy,kaushik94/sympy,aktech/sympy,toolforger/sympy,VaibhavAgarwalVA/sympy,iamutkarshtiwari/sympy,aktech/sympy,cswiercz/sympy,kaichogami/sympy,abloomston/sympy,emon10005/sympy,Curious72/sympy,Shaswat27/sympy,dqnykamp/sympy,vipulroxx/sympy,jamesblunt/sympy,AkademieOlympia/sympy,vipulroxx/sympy,yashsharan/sympy,jerli/sympy,beni55/sympy,Vishluck/sympy,Gadal/sympy,grevutiu-gabriel/sympy,pandeyadarsh/sympy,Shaswat27/sympy,saurabhjn76/sympy,MechCoder/sympy,sahmed95/sympy,jerli/sympy,maniteja123/sympy,madan96/sympy,asm666/sympy,debugger22/sympy,sampadsaha5/sympy,ChristinaZografou/sympy,Vishluck/sympy,Mitchkoens/sympy,meghana1995/sympy,emon10005/sympy,lindsayad/sympy,iamutkarshtiwari/sympy,MridulS/sympy,jaimahajan1997/sympy,rahuldan/sympy,lindsayad/sympy,Davidjohnwilson/sympy,debugger22/sympy,yashsharan/sympy,madan96/sympy,meghana1995/sympy,bukzor/sympy,kaushik94/sympy,ga7g08/sympy,chaffra/sympy,farhaanbukhsh/sympy,grevutiu-gabriel/sympy,moble/sympy,bukzor/sympy,liangjiaxing/sympy,rahuldan/sympy,AunShiLord/sympy,kevalds51/sympy,kevalds51/sympy,asm666/sympy,chaffra/sympy,wyom/sympy,Arafatk/sympy,kumarkrishna/sympy,atreyv/sympy,lindsayad/sympy,kaichogami/sympy,Davidjohnwilson/sympy,skidzo/sympy,atreyv/sympy,wanglongqi/sympy,cswiercz/sympy,kevalds51/sympy,madan96/sympy,jamesblunt/sympy,AunShiLord/sympy,oliverlee/sympy,garvitr/sympy,garvitr/sympy,Titan-C/sympy,atsao72/sympy,shikil/sympy,ahhda/sympy,saurabhjn76/sympy,Mitchkoens/sympy,sahilshekhawat/sympy,sampadsaha5/sympy,moble/sympy,jbbskinny/sympy,sunny94/temp,Designist/sympy,mcdaniel67/sympy,aktech/sympy,diofant/diofant,hargup/sympy,ChristinaZografou/sympy,shipci/sympy,Curious72/sympy,sunny94/temp,pandeyadarsh/sympy,chaffra/sympy,toolforger/sympy,mafiya69/sympy,AunShiLord/sympy,Titan-C/sympy,wyom/sympy,kaichogami/sympy,grevutiu-gabriel/sympy,jerli/sympy,drufat/sympy,Arafatk/sympy,atsao72/sympy,Gadal/sympy,abloomston/sympy,sampadsaha5/sympy,cccfran/sympy,AkademieOlympia/sympy,farhaanbukhsh/sympy,abloomston/sympy,mafiya69/sympy,emon10005/sympy,Mitchkoens/sympy,maniteja123/sympy,sunny94/temp,abhiii5459/sympy,maniteja123/sympy,MechCoder/sympy,shipci/sympy,vipulroxx/sympy,pbrady/sympy