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(15) element: null. Condition: c:false
12(13) element: null. Condition: c:true
13(14) ASSERTTYPE ACCESS: c
14(16) READ ACCESS: x
15(16) READ ACCESS: y
16(17) WRITE ACCESS: z
17() element: null