| 0(1) element: null |
| 1(2) element: PyAssignmentStatement |
| 2(3) READ ACCESS: dict |
| 3(4) WRITE ACCESS: d |
| 4(5) element: PyTryExceptStatement |
| 5(6,13,16) element: PyTryPart |
| 6(7,13,16) element: PyAssignmentStatement |
| 7(8,13,16) element: PySubscriptionExpression |
| 8(9,13,16) READ ACCESS: d |
| 9(10,13,16) WRITE ACCESS: v |
| 10(11,16) element: PyElsePart |
| 11(12,16) element: PyPrintStatement |
| 12(16,18) READ ACCESS: v |
| 13(14,16) element: PyExceptPart |
| 14(15,16) READ ACCESS: KeyError |
| 15(16,18) element: PyPrintStatement |
| 16(17) element: PyFinallyPart |
| 17(20) element: PyPrintStatement |
| 18(19) element: PyFinallyPart |
| 19(20) element: PyPrintStatement |
| 20() element: null |
