mylist = [64, 34, 25, 12, 22, 11, 90, 5]

​

n = len(mylist)

for i in range(1,n):

  insert_index = i

  current_value = mylist.pop(i)

  for j in range(i-1, -1, -1):

    if mylist[j] > current_value:

      insert_index = j

  mylist.insert(insert_index, current_value)

​

print(mylist)

​