Make combined_graph_data() more readable
Make combined_graph_data() more readable

Add a few comments
Remove some indentation
Doesn't change functionality

hycis/DIGITS,crohkohl/DIGITS,dongjoon-hyun/DIGITS,bygreencn/DIGITS,ethantang95/DIGITS,ZhijieWang/DIGITS,bygreencn/DIGITS,gheinrich/DIGITS-GAN,ethantang95/DIGITS,jmancewicz/DIGITS,TimZaman/DIGITS,ctrevino/DIGITS,Lucaszw/DIGITS,andreydung/DIGITS,rupertsmall/DIGITS,TimZaman/DIGITS,RadicoLabs/DIGITS,gheinrich/DIGITS-GAN,bygreencn/DIGITS,batra-mlp-lab/DIGITS,AgentVi/DIGITS,gheinrich/DIGITS-GAN,RadicoLabs/DIGITS,ethantang95/DIGITS-GAN,Lucaszw/DIGITS,Deepomatic/DIGITS,brainstorm-ai/DIGITS,RadicoLabs/DIGITS,hycis/DIGITS,ctrevino/DIGITS,bygreencn/DIGITS,brainstorm-ai/DIGITS,jmancewicz/DIGITS,ctrevino/DIGITS,rupertsmall/DIGITS,3upperm2n/DIGITS,TimZaman/DIGITS,asifmadnan/DIGITS,ethantang95/DIGITS-GAN,ctrevino/DIGITS,Lucaszw/DIGITS,dongjoon-hyun/DIGITS,3upperm2n/DIGITS,RadicoLabs/DIGITS,AgentVi/DIGITS,batra-mlp-lab/DIGITS,Lucaszw/DIGITS,3upperm2n/DIGITS,Deepomatic/DIGITS,ethantang95/DIGITS-GAN,crohkohl/DIGITS,asifmadnan/DIGITS,semisight/DIGITS,delectable/DIGITS,rupertsmall/DIGITS,dongjoon-hyun/DIGITS,crohkohl/DIGITS,delectable/DIGITS,ethantang95/DIGITS,brainstorm-ai/DIGITS,asifmadnan/DIGITS,delectable/DIGITS,ZhijieWang/DIGITS,asifmadnan/DIGITS,Deepomatic/DIGITS,ethantang95/DIGITS-GAN,semisight/DIGITS,3upperm2n/DIGITS,brainstorm-ai/DIGITS,rupertsmall/DIGITS,ZhijieWang/DIGITS,AgentVi/DIGITS,gheinrich/DIGITS-GAN,TimZaman/DIGITS,jmancewicz/DIGITS,semisight/DIGITS,Deepomatic/DIGITS,hycis/DIGITS,andreydung/DIGITS,ZhijieWang/DIGITS,dongjoon-hyun/DIGITS,ethantang95/DIGITS,semisight/DIGITS,delectable/DIGITS,crohkohl/DIGITS,AgentVi/DIGITS,batra-mlp-lab/DIGITS,jmancewicz/DIGITS,andreydung/DIGITS,hycis/DIGITS,andreydung/DIGITS,batra-mlp-lab/DIGITS