| 0(1) element: null | |
| 1(2) element: PyWhileStatement | |
| 2(3,10) READ ACCESS: foo | |
| 3(4) element: PyStatementList. Condition: foo:true | |
| 4(5) element: PyIfStatement | |
| 5(6,9) READ ACCESS: condition | |
| 6(7) element: PyStatementList. Condition: condition:true | |
| 7(8) ASSERTTYPE ACCESS: condition | |
| 8(10) element: PyBreakStatement | |
| 9(1) element: PyPrintStatement | |
| 10() element: null |