fixed erroneous reference to output_layer
fixed erroneous reference to output_layer

wilbert-abreu/data-science-from-scratch,yydxlv/data-science-from-scratch,realisticus/data-science-from-scratch,jenyacazacu/data-science-from-scratch,pb-pravin/data-science-from-scratch,mr-justin/data-science-from-scratch,ErBa508/data-science-from-scratch,rnder/data-science-from-scratch,clan2000/data-science-from-scratch,korbonits/data-science-from-scratch,ujjwalkarn/data-science-from-scratch,Mark-Ko/data-science-from-scratch,hopgal/data-science-from-scratch,kevntao/data-science-from-scratch,bo-yang/data-science-from-scratch,jay-tyler/data-science-from-scratch,deepnarainsingh/data-science-from-scratch,RichHelle/data-science-from-scratch,OlafLee/data-science-from-scratch,wodefey/data-science-from-scratch,fnouama/data-science-from-scratch,joelgrus/data-science-from-scratch,MortalCatalyst/data-science-from-scratch,abgoswam/data-science-from-scratch,mhdella/data-science-from-scratch,ml-playground/data-science-from-scratch,ebottabi/data-science-from-scratch,blackwhitehere/data-science-from-scratch,fgiunta/data-science-from-scratch,saildata/data-science-from-scratch,Insight-book/data-science-from-scratch,nkhuyu/data-science-from-scratch,reshama/data-science-from-scratch,cpang24/data-science-from-scratch,mgoddard-pivotal/data-science-from-scratch,nathania/data-science-from-scratch,marioem/data-science-from-scratch,tap84343/data-science-from-scratch,DhiruPranav/data-science-from-scratch,lokeshpancharia/data-science-from-scratch,andrewstuart/data-science-from-scratch,szrg/data-science-from-scratch,clickpn/data-science-from-scratch,laurendiperna/data-science-from-scratch,Averroes/data-science-from-scratch,karthagneos/data-science-from-scratch,dcruzsteven/DataScienceFromScratch,yaojenkuo/data-science-from-scratch,hunterdong/data-science-from-scratch,alialerwi/LearningRepository,neilengineer/data-science-from-scratch,tomakant/data-science-from-scratch,xiyuansun/data-science-from-scratch,xubenben/data-science-from-scratch