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"* **下面用python来实现随机投点法计算圆周率**"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"请输入总的投点数:99999999\n",
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"pi的值是3.1413824314138243\n"
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]
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}
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],
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"source": [
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"from random import random\n",
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"darts = int(input(\"请输入总的投点数:\"))\n",
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"hits = 0 \n",
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"for i in range(darts):\n",
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" x, y = random(), random()\n",
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" if (x**2 + y**2) < 1:\n",
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" hits = hits + 1\n",
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"pi = 4 * (hits / darts)\n",
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"print(\"pi的值是{}\".format(pi))"
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]
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},
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