(arr, first, last)
Quicksort
        Complexity: O(n log(n))
Quicksort
        Complexity: O(n log(n))
Quicksort Complexity : O ( n log ( n ))
def quick_sort(arr, first, last):
    """ Quicksort
        Complexity: O(n log(n))
    """
    if first < last:
        pos = partition(arr, first, last)
        # Start our two recursive calls
        quick_sort(arr, first, pos-1)
        quick_sort(arr, pos+1, last)
def quick_sort ( arr , first , last ) : if first < last : pos = partition ( arr , first , last ) # Start our two recursive calls quick_sort ( arr , first , pos - 1 ) quick_sort ( arr , pos + 1 , last )