0(1) element: null
1(2) element: PyAssignmentStatement
2(3) READ ACCESS: None
3(4) WRITE ACCESS: status
4(5) element: PyTryExceptStatement
5(6,9) element: PyTryPart
6(7,9) element: PyAssignmentStatement
7(8,9) READ ACCESS: open
8(9,17) WRITE ACCESS: status
9(10) element: PyFinallyPart
10(11) element: PyIfStatement
11(12) READ ACCESS: status
12(13,27) READ ACCESS: None
13(14) element: PyStatementList. Condition: status is not None:true
14(15) ASSERTTYPE ACCESS: status
15(16) element: PyPrintStatement
16(27) READ ACCESS: status
17(18) element: PyFinallyPart
18(19) element: PyIfStatement
19(20) READ ACCESS: status
20(21,25) READ ACCESS: None
21(22) element: PyStatementList. Condition: status is not None:true
22(23) ASSERTTYPE ACCESS: status
23(24) element: PyPrintStatement
24(25) READ ACCESS: status
25(26) element: PyExpressionStatement
26(27) READ ACCESS: status
27() element: null