def test():
"""Testing routine"""
array = [1,5,3,2,4,6,0,7,8]
i_element = 4
# array = [2,0,1]
print(rselect(array, i_element))
import quicksort
quicksort.sort_array(array)
print(array[i_element])
def random_test(array_len):
"""Test on randomized array"""
input_array = random.sample(range(array_len), array_len)
i_element = array_len // 2
print("algorithm result")
print(rselect(input_array, i_element))
import quicksort
quicksort.sort_array(input_array)
print('quicksort results')
print(input_array[i_element])