text: For all vertices
code: for i in range ( len ( v ) ) : NEW_LINE INDENT x0 = v [ i ] [ 0 ] NEW_LINE y0 = v [ i ] [ 1 ] NEW_LINE x1 = v [ ( i + 1 ) % n ] [ 0 ] NEW_LINE y1 = v [ ( i + 1 ) % n ] [ 1 ] NEW_LINE DEDENT