Rewrite function exponentiation
Rewrite function exponentiation

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