0(1) element: null 1(2) element: PyIfStatement 2(3,4) READ ACCESS: True 3(8) element: null. Condition: True:false 4(5) element: null. Condition: True:true 5(6) ASSERTTYPE ACCESS: True 6(7) element: PyStatementList 7(8) element: PyPassStatement 8(9) element: PyIfStatement 9(10,11) READ ACCESS: True 10(15) element: null. Condition: True:false 11(12) element: null. Condition: True:true 12(13) ASSERTTYPE ACCESS: True 13(14) element: PyStatementList 14(19) element: PyPassStatement 15(16) ASSERTTYPE ACCESS: null 16(17) element: PyStatementList 17(18) element: PyAssignmentStatement 18(19) WRITE ACCESS: b 19(20) element: PyIfStatement 20(21,22) READ ACCESS: True 21(26) element: null. Condition: True:false 22(23) element: null. Condition: True:true 23(24) ASSERTTYPE ACCESS: True 24(25) element: PyStatementList 25(38) element: PyPassStatement 26(27,28) READ ACCESS: c 27(34) element: null. Condition: c:false 28(29) element: null. Condition: c:true 29(30) ASSERTTYPE ACCESS: c 30(31) ASSERTTYPE ACCESS: null 31(32) element: PyStatementList 32(33) element: PyAssignmentStatement 33(38) WRITE ACCESS: d 34(35) ASSERTTYPE ACCESS: null 35(36) element: PyStatementList 36(37) element: PyAssignmentStatement 37(38) WRITE ACCESS: e 38() element: null