A periodic piecewise function

It is given that

$g(x)=\begin{cases}3,&0<x\leq2,\\5-x,&2<x\leq4,\end{cases}$

and that $g(x)=g(x+4)$ for all real values of $x$.

(i) Find $g(3)$, $g(8)$ and $g(101)$.

(ii) Sketch the graph of $y=g(x)$ for $-2<x\leq8$.