diff --git a/problems/009_problem_jnotebook.ipynb b/problems/009_problem_jnotebook.ipynb
index 62d3c58..afa8064 100644
--- a/problems/009_problem_jnotebook.ipynb
+++ b/problems/009_problem_jnotebook.ipynb
@@ -42,8 +42,8 @@
     "import time  # Typically imported for sleep function, to slow down execution in terminal.\n",
     "import typing\n",
     "import decorators  # Typically imported to compute execution duration of functions.\n",
-    "import numpy\n",
-    "import pandas"
+    "import math\n",
+    "import numpy"
    ]
   },
   {
@@ -56,86 +56,59 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
    "source": [
-    "## Can we describe a few approaches to solving this problem?\n",
-    "---"
+    "def get_c(a,b):\n",
+    "    c = math.sqrt(a*a+b*b)\n",
+    "    return c"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def check_constraint(a,b,c,limit):\n",
+    "    return (a+b+c)==limit"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "*Let's discuss a few ways to work through this, then select one to implement.*\n",
-    "\n",
-    " 1. Create \n",
-    "<br/>\n",
-    "<br/>\n",
-    " "
+    "# Brute Force!"
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "code",
+   "execution_count": 4,
    "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "200 375 425.0 1000.0 31875000.0\n"
+     ]
+    }
+   ],
    "source": [
-    "### Let's try the first approach!"
+    "exit=False\n",
+    "for a in range(1,1000):\n",
+    "    for b in range(a,1000):\n",
+    "        c = get_c(a,b)\n",
+    "        if check_constraint(a,b,c,1000):\n",
+    "            #print(a,b,c)\n",
+    "            #print(not_done)\n",
+    "            exit=True\n",
+    "            break\n",
+    "    if exit:\n",
+    "        break\n",
+    "print(a,b,c,a+b+c,a*b*c)\n"
    ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "#### 1. a) Take in problem statement information."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {