Test some basic properties of iterable()
Test some basic properties of iterable()

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