/Section 3/Notebooks/Numbers in List.ipynb

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    "# Numbers in lists by SeanMc from forums\n",
    "# define a procedure that takes in a string of numbers from 1-9 and\n",
    "# outputs a list with the following parameters:\n",
    "# Every number in the string should be inserted into the list.\n",
    "\n",
    "# If a number x in the string is less than or equal \n",
    "# to the preceding number y, the number x should be inserted \n",
    "# into a sublist. Continue adding the following numbers to the \n",
    "# sublist until reaching a number z that\n",
    "# is greater than the number y. \n",
    "# Then add this number z to the normal list and continue."
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     "text": [
      "[4, 5, [5, 5, 3, 2, 1, 2, 3, 2], 6, [6]]\n"
     ]
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   "source": [
    "myString = '455532123266'\n",
    "#result = [4, 5, [5, 5, 3, 2, 1, 2, 3, 2], 6, [6]]\n",
    "\n",
    "def numbers_in_lists(string):\n",
    "    limit = len(string)\n",
    "    i = 0\n",
    "    z = int(string[0])\n",
    "    blist = [int(string[0])]\n",
    "    slist = []\n",
    "    while i+1 < limit:\n",
    "        if int(string[i+1]) <= z:\n",
    "            slist.append(int(string[i+1]))\n",
    "            i = i + 1\n",
    "        else:\n",
    "            if len(slist) > 0:\n",
    "                blist.append(slist)\n",
    "                slist = []\n",
    "            else:\n",
    "                z = int(string[i + 1])\n",
    "                blist.append(int(string[i+1]))\n",
    "                i = i + 1\n",
    "    if len(slist) > 0:\n",
    "        blist.append(slist)\n",
    "    return blist\n",
    "            \n",
    "print(numbers_in_lists(myString))\n",
    "    "
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