What would be the python function that returns a list of elements that only appear once in a list

So if there is a list: [1,1,2,3,4,5,5,5,6], the output would be [2,3,4,6] .

https://stackoverflow.com/questions/66524135/what-would-be-the-python-function-that-returns-a-list-of-elements-that-only-appe March 08, 2021 at 12:01PM