Finish docstrings from previous commit.
Finish docstrings from previous commit.

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