def merge_sort(array):
def merge_arr(arr_l, arr_r):
array = []
while len(arr_l) and len(arr_r):
if arr_l[0] <= arr_r[0]:
array.append(arr_l.pop(0))
elif arr_l[0] > arr_r[0]:
array.append(arr_r.pop(0))
if len(arr_l) != 0:
array += arr_l
elif len(arr_r) != 0:
array += arr_r
return array
def recursive(array):
if len(array) == 1:
return array
mid = len(array) // 2
arr_l = recursive(array[:mid])
arr_r = recursive(array[mid:])
return merge_arr(arr_l, arr_r)
return recursive(array)
hlist = merge_sort([4,5,6,7,3,2,6,9,8])
print(hlist)
