9 del i # error: deletion of non-Python object
10 del j # error: deletion of non-Python object
11 del x[i] # error: deletion of non-Python object
12 del s.m # error: deletion of non-Python object
14 8:6: Cannot assign to or delete this
15 9:45: Deletion of non-Python, non-C++ object
16 11:6: Deletion of non-Python, non-C++ object
17 12:6: Deletion of non-Python, non-C++ object