| 0(1) element: null | |
| 1(2) element: PyAssignmentStatement | |
| 2(3) WRITE ACCESS: x | |
| 3(4) element: PyAssignmentStatement | |
| 4(5) WRITE ACCESS: y | |
| 5(6) element: PyAssignmentStatement | |
| 6(7) READ ACCESS: True | |
| 7(8) WRITE ACCESS: c | |
| 8(9) element: PyAssignmentStatement | |
| 9(10) element: PyConditionalExpression | |
| 10(11,12) READ ACCESS: c | |
| 11(13) READ ACCESS: x | |
| 12(13) READ ACCESS: y | |
| 13(14) WRITE ACCESS: z | |
| 14() element: null | |