add_to_list_if_not_present

add_to_list_if_not_present(lst: list, element: Iterable)

Add an element to a list if it is not present. Runs in O(1) time.

Parameters:

• lst (list) – The list to add the element to.

• element (Iterable) – The element to add to the list.

References

[1] https://www.youtube.com/watch?v=PXWL_Xzyrp4

Examples

>>> lst = [1, 2, 3]
>>> add_to_list_if_not_present(lst, [3, 4, 5])
>>> lst
[1, 2, 3, 4, 5]