>>> from remove_repeated import remove_repeated

>>> remove_repeated([3, 1, 1, 2, 2, 2, 1, 4, 5, 5, 7, 5, 5, 2, 2])
[3, 1, 2, 4, 5, 7]
>>> remove_repeated([5, 1, 4, 2, 3])
[5, 1, 4, 2, 3]
>>> remove_repeated([])
[]
>>> remove_repeated([9, 9, 4, 6, 4, 4, 1, 1, 2])
[9, 4, 6, 1, 2]

>>> remove_repeated([1, 2, 3, 4, 5, 5, 5])
[1, 2, 3, 4, 5]
>>> remove_repeated([1]*10)
[1]