python insert vs append

Question

I have written basic python snippets to first insert values in a list and then reverse them. I found that there was a huge difference of speed of execution between insert an

Answer 1

Insert method appropriately implementing in Queue . FIFO operation, inserts at the front of the list. ex :. items.insert(0,item)

Append method appropriately implementing in stack . LIFO operation, inserts at the end of the list. ex :. items.append(item)

When we are using insert data thru INSERT method make sure all indexes are re-sequenced.