0(1) element: null
1(2) element: PyFromImportStatement
2(3) WRITE ACCESS: NoReturn
3(4) element: PyFunction('stop')
4(5) READ ACCESS: NoReturn
5(6) WRITE ACCESS: stop
6(7) element: PyExpressionStatement
7(8) READ ACCESS: stop
8(9) element: PyCallExpression: stop
9(10) element: PyPrintStatement
10() element: null