Opaque list: [Element 1, Element 2]
Back element is Element 2
1/2 : Element 1
2/2 : Element 2
Opaque list: [Element 1]
Opaque list: []
Opaque list: [Element 1, Element 3]
Got void ptr : 0x1234
Called Example1 default constructor..
Got void ptr : 0x7f9ba0f3c430
Called Example1 destructor (0)
Caught expected exception: Incompatible function arguments. The following argument types are supported:
    1. (capsule) -> NoneType
    Invoked with: [1, 2, 3]
None
Got null str : 0x0
<example.StringList object at 0x10d3277a0>
Opaque list: [some value]