[HomoSapiensSapiens] Calling 'can' with arguments
 (<oopp.HomoSapiensSapiens object at 0x4048132c>,){} ...
    [HomoSapiens] Calling 'can' with arguments
     (<oopp.HomoSapiensSapiens object at 0x4048132c>,){} ...
        [HomoHabilis] Calling 'can' with arguments
         (<oopp.HomoSapiensSapiens object at 0x4048132c>,){} ...
            [Homo] Calling 'can' with arguments
             (<oopp.HomoSapiensSapiens object at 0x4048132c>,){} ...
                [PrettyPrinted] Calling '__str__' with arguments
                 (<oopp.HomoSapiensSapiens object at 0x4048132c>,){} ...
                [PrettyPrinted.__str__] called with result: <HomoSapiensSapiens>
            [Homo.can] called with result: None
        [HomoHabilis.can] called with result: None
    [HomoSapiens.can] called with result: None
[HomoSapiensSapiens.can] called with result: None