Project Euler Q2 - LO Man Hei

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    "### Q2\n",
    "By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms."
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    "def fibonacci(first, second, n_term = False, max_value = False):\n",
    "    result = [first, second]\n",
    "    if not n_term and not max_value:\n",
    "        print(\"At least one of 'n_term','max_value' argument is needed.\")\n",
    "        return\n",
    "    while True:\n",
    "        if n_term and len(result) >= n_term:\n",
    "            break\n",
    "        if max_value and result[-1] > max_value:\n",
    "            result.pop()\n",
    "            break\n",
    "        result.append(result[-1]+result[-2])\n",
    "    return result        "
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     "text": [
      "CPU times: user 9 µs, sys: 2 µs, total: 11 µs\n",
      "Wall time: 12.9 µs\n"
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   "source": [
    "%%time\n",
    "sum(fibonacci(1,2,max_value=4000000)[1::3])"
   ]
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   "execution_count": null,
   "id": "59c68984-9ecc-4626-a6a9-e2cc1592bfc8",
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