How to remove duplicates from list including original one in Python?

Question

Eg:-
a=["a", "g", "f", "g", "s", "f"]

Final list should be , ["a", "s"]

Answer 1

Here's the solution in case you haven't solved it yet. https://code.sololearn.com/cZt66Hiu3e5w/?ref=app

Answer 2

Pls use the description section to post ur try(code) so that we can help with that.

Answer 3

Hint: Try to build a dictionary whose keys are the unique elements of this list and whose values are the frequencies of each letter. Once you have done that, retrieve the keys that have zero frequencies.

Answer 4

Ramdas Pawar did you solve it?

Answer 5

Duplicates can be removed i.e. as in this example:
https://code.sololearn.com/cskwrdXNy0lL/?ref=app

Answer 6

Thanks #QTWizard..😀😀