Suppose seq$1=<2,4,6>,$ seq$2=<-5,12>.$ What are the values of seq$1$ and seq$2$ after the call smooth$($seq$1,$ seq$2)?$

Suppose seq$1=<7>,$ seq$2=<13,17,11>.$ What are the values of seq$1$ and seq$2$ after the call smooth$($seq$1,$ seq$2)?$

Suppose seq$1=<>,$ seq$2=<>.$ What are the values of seq$1$ and seq$2$ after the call smooth$($seq$1,$ seq$2)?$