update example code in intro to use pipeline
update example code in intro to use pipeline

surgeforward/highland,Andolamin/highland,svozza/highland,Andolamin/highland,jgrund/highland,kwangkim/highland,jgrund/highland,kwangkim/highland,megawac/highland,quarterto/highland,Whoaa512/highland,dayoadeyemi/highland,megawac/highland,caolan/highland,kjvalencik/highland,icio/highland,vqvu/highland,surgeforward/highland,caolan/highland,svozza/highland,Whoaa512/highland,kjvalencik/highland,dayoadeyemi/highland,vqvu/highland,icio/highland