9 lines
259 B
Python
9 lines
259 B
Python
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def second_smallest(numbers):
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a1, a2 = float('inf'), float('inf')
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for x in numbers:
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if x <= a1:
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a1, a2 = x, a1
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elif x < a2:
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a2 = x
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return a2
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print(second_smallest([1, 2, -8, -2, 0]))
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