def sort(arr):
count = len(arr)
for i in range(1, count):
j = i
while j > 0 and arr[j-1] < arr[j]:
arr[j-1], arr[j] = arr[j], arr[j-1]
j -= 1
return arr
l = [5, 2, 7, 8, 6, 1, 4, 9, 10, 1, 2, 3, 4]
print(sort(l))
