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{
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"# Write a Python program to find the second smallest number in a list.\n",
"# input\n",
"# second_smallest([1, 2, -8, -2, 0])\n",
"# output\n",
"# -2\n",
"\n",
"def second_smallest(numbers):\n",
" a1, a2 = float('inf'), float('inf')\n",
" for x in numbers:\n",
" if x <= a1:\n",
" a1, a2 = x, a1\n",
" elif x < a2:\n",
" a2 = x\n",
" return a2\n",
"\n",
"print(second_smallest([1, 2, -8, -2, 0]))"
]
}
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