ArraySlice index out of range in Swift

Question

I have data in the following format

[\"DATA1-1\",\"DATA1-2\",\"DATA1-3\",\"DATA1-4\",\"\",\"DATA2-1\",\"DATA2-2\",\"DATA2-3\",\"DATA2-4\",\"\",\"DATA3-1\",\"DATA3-2\",\"

Answer 1

The code now works with Swift 2.2