2 <!-- one loop 5 steps -->
5 <forloop name="b1" nsteps="5">
9 <code>def f(p1):</code>
10 <code> global a</code>
11 <code> p1= p1+10.</code>
15 <code> return p1</code>
17 <inport name="p1" type="double"/>
18 <outport name="p1" type="double"/>
24 <tonode>b1.node2</tonode> <toport>p1</toport>
25 <value><double>23</double> </value>