CODE EXAMPLE FOR PYTHON

quicksort python

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def quick_sort(array):
    if len(array) < 2:
        return array
    else:
        #select pivot element
        pivot = array[0]
        #partitioning the main array into less and greater
        less = [i for i in array[1:] if i <= pivot]
        greater = [i for i in array[1:] if i > pivot]
        
        #calling recursively 
        return quick_sort(less) + [pivot] + quick_sort(greater)

array = [9,8,7,6,5,4,3,2,1]
res = quick_sort(array)
print(res)