0(1) element: null
1(2) element: PyTryExceptStatement
2(3,8) element: PyTryPart
3(4,8) element: PyForStatement
4(5,8,12) READ ACCESS: bar
5(6,8) element: PyTargetExpression: i
6(7,8) WRITE ACCESS: i
7(8,12) element: PyBreakStatement
8(9) element: PyExceptPart
9(10) element: PyRaiseStatement
10(11) READ ACCESS: Exception
11(13) element: PyCallExpression: Exception
12(13) element: PyReturnStatement
13() element: null