RosettaCodeData/Task/Remove-duplicate-elements/Python/remove-duplicate-elements-3.py

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import itertools
items = [1, 2, 3, 'a', 'b', 'c', 2, 3, 4, 'b', 'c', 'd']
unique = [k for k,g in itertools.groupby(sorted(items))]
	`import itertools`
	`items = [1, 2, 3, 'a', 'b', 'c', 2, 3, 4, 'b', 'c', 'd']`
	`unique = [k for k,g in itertools.groupby(sorted(items))]`