Shuffle values in an array. Optionally set a start index and range to shuffle only part of the array.
The Array to shuffle.
Optional start Index for the shuffling. Leave it to none or 0 for no effect
Optional range for the shuffling, starting at the start index if greater than 0. Leave it to none or 0 for no effect, it will shuffle the whole array
Shuffle the items in a String Array called Days: