Updated Coupled Cluster example to use pretty_indices keyword.
Updated Coupled Cluster example to use pretty_indices keyword.

mcdaniel67/sympy,minrk/sympy,sampadsaha5/sympy,AunShiLord/sympy,postvakje/sympy,sahilshekhawat/sympy,minrk/sympy,jbbskinny/sympy,jamesblunt/sympy,maniteja123/sympy,VaibhavAgarwalVA/sympy,yashsharan/sympy,vipulroxx/sympy,debugger22/sympy,farhaanbukhsh/sympy,abloomston/sympy,shikil/sympy,lindsayad/sympy,AkademieOlympia/sympy,AkademieOlympia/sympy,amitjamadagni/sympy,atreyv/sympy,tovrstra/sympy,Shaswat27/sympy,lidavidm/sympy,garvitr/sympy,sunny94/temp,souravsingh/sympy,aktech/sympy,cswiercz/sympy,asm666/sympy,maniteja123/sympy,flacjacket/sympy,asm666/sympy,mcdaniel67/sympy,Shaswat27/sympy,ga7g08/sympy,kumarkrishna/sympy,skidzo/sympy,lidavidm/sympy,yashsharan/sympy,sahmed95/sympy,dqnykamp/sympy,Arafatk/sympy,pernici/sympy,shipci/sympy,abhiii5459/sympy,cccfran/sympy,cswiercz/sympy,Gadal/sympy,jbbskinny/sympy,bukzor/sympy,hargup/sympy,toolforger/sympy,kevalds51/sympy,mattpap/sympy-polys,abloomston/sympy,sahmed95/sympy,jerli/sympy,Curious72/sympy,Sumith1896/sympy,vipulroxx/sympy,Titan-C/sympy,skidzo/sympy,ahhda/sympy,liangjiaxing/sympy,kumarkrishna/sympy,Davidjohnwilson/sympy,drufat/sympy,kumarkrishna/sympy,Designist/sympy,vipulroxx/sympy,oliverlee/sympy,VaibhavAgarwalVA/sympy,Arafatk/sympy,moble/sympy,jaimahajan1997/sympy,asm666/sympy,skirpichev/omg,kaushik94/sympy,sunny94/temp,kevalds51/sympy,sahilshekhawat/sympy,oliverlee/sympy,wanglongqi/sympy,bukzor/sympy,Arafatk/sympy,wanglongqi/sympy,jamesblunt/sympy,mafiya69/sympy,MechCoder/sympy,grevutiu-gabriel/sympy,AunShiLord/sympy,cccfran/sympy,kaichogami/sympy,garvitr/sympy,emon10005/sympy,drufat/sympy,Titan-C/sympy,Sumith1896/sympy,Mitchkoens/sympy,iamutkarshtiwari/sympy,yukoba/sympy,yukoba/sympy,Davidjohnwilson/sympy,sampadsaha5/sympy,ChristinaZografou/sympy,postvakje/sympy,ga7g08/sympy,jamesblunt/sympy,kevalds51/sympy,oliverlee/sympy,jerli/sympy,atsao72/sympy,shipci/sympy,pandeyadarsh/sympy,Vishluck/sympy,pbrady/sympy,debugger22/sympy,emon10005/sympy,Mitchkoens/sympy,sahilshekhawat/sympy,jerli/sympy,emon10005/sympy,Curious72/sympy,moble/sympy,Gadal/sympy,kaichogami/sympy,atsao72/sympy,madan96/sympy,madan96/sympy,Gadal/sympy,iamutkarshtiwari/sympy,pandeyadarsh/sympy,jbbskinny/sympy,Shaswat27/sympy,postvakje/sympy,MechCoder/sympy,hrashk/sympy,ahhda/sympy,grevutiu-gabriel/sympy,VaibhavAgarwalVA/sympy,kaushik94/sympy,wyom/sympy,dqnykamp/sympy,farhaanbukhsh/sympy,rahuldan/sympy,cccfran/sympy,souravsingh/sympy,AkademieOlympia/sympy,AunShiLord/sympy,saurabhjn76/sympy,kmacinnis/sympy,moble/sympy,hargup/sympy,lindsayad/sympy,ahhda/sympy,hargup/sympy,amitjamadagni/sympy,garvitr/sympy,hrashk/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,shikil/sympy,skidzo/sympy,ChristinaZografou/sympy,toolforger/sympy,rahuldan/sympy,lidavidm/sympy,ga7g08/sympy,MridulS/sympy,aktech/sympy,toolforger/sympy,debugger22/sympy,MridulS/sympy,jaimahajan1997/sympy,diofant/diofant,saurabhjn76/sympy,srjoglekar246/sympy,souravsingh/sympy,Titan-C/sympy,meghana1995/sympy,mafiya69/sympy,iamutkarshtiwari/sympy,wyom/sympy,maniteja123/sympy,sunny94/temp,beni55/sympy,MridulS/sympy,ChristinaZografou/sympy,shipci/sympy,cswiercz/sympy,kaushik94/sympy,rahuldan/sympy,meghana1995/sympy,liangjiaxing/sympy,madan96/sympy,kaichogami/sympy,pandeyadarsh/sympy,saurabhjn76/sympy,atsao72/sympy,kmacinnis/sympy,pbrady/sympy,pbrady/sympy,yashsharan/sympy,beni55/sympy,chaffra/sympy,Vishluck/sympy,chaffra/sympy,bukzor/sympy,aktech/sympy,dqnykamp/sympy,abhiii5459/sympy,grevutiu-gabriel/sympy,Curious72/sympy,Designist/sympy,wanglongqi/sympy,drufat/sympy,Davidjohnwilson/sympy,atreyv/sympy,lindsayad/sympy,MechCoder/sympy,mcdaniel67/sympy,liangjiaxing/sympy,wyom/sympy,meghana1995/sympy,chaffra/sympy,Designist/sympy,farhaanbukhsh/sympy,atreyv/sympy,abloomston/sympy,yukoba/sympy,Sumith1896/sympy,mafiya69/sympy,hrashk/sympy,sahmed95/sympy,Vishluck/sympy,shikil/sympy,Mitchkoens/sympy,abhiii5459/sympy,kmacinnis/sympy,beni55/sympy