12 lines
406 B
Python
12 lines
406 B
Python
from typing import List
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def remove_duplicates(numbers: List[int]) -> List[int]:
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""" From a list of integers, remove all elements that occur more than once.
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Keep order of elements left the same as in the input.
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>>> remove_duplicates([1, 2, 3, 2, 4])
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[1, 3, 4]
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"""
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from collections import Counter
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counts = Counter(numbers)
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return [num for num in numbers if counts[num] == 1] |