Oh God, they just compared the speed of Objective C, Swift and... Python! It's nice to see Swift being faster than Objective C, etc., but what has Python got to do with coding native iOS/OS X apps? Of course it's going to fail at speed when compared to a static compiled language.
What a weird and pointless comparison, imo (I mean the inclusion of Python, seems so random to me).
What a weird and pointless comparison, imo (I mean the inclusion of Python, seems so random to me).