diff --git a/notebooks/picofumi.ipynb b/notebooks/picofumi.ipynb
index 6d78153..9e46b62 100644
--- a/notebooks/picofumi.ipynb
+++ b/notebooks/picofumi.ipynb
@@ -10,93 +10,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": null,
    "id": "d8f95dd9-11ad-455d-854a-86a12d84fbda",
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 123\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "1 2 3 \n",
-      "      \n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 456\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "4 5 6 \n",
-      "  P   \n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 789\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "7 8 9 \n",
-      "  F   \n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 588\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "5 8 8 \n",
-      "F F P \n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 585\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "5 8 5 \n",
-      "F F P \n",
-      "\n",
-      "You loose!\n",
-      "5 8 0 "
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "%run picofumi.py"
    ]
@@ -111,18 +28,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": null,
    "id": "0046af84-de64-4023-bdf5-335177caf22a",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Pico Fumi\n"
-     ]
-    }
-   ],
+   "metadata": {
+    "tags": []
+   },
+   "outputs": [],
    "source": [
     "print(\"Pico Fumi\")"
    ]
@@ -137,38 +48,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": null,
    "id": "781cbd75-5b16-4740-ac88-fda9672bcdbd",
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "123\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
+    "#string\n",
     "guess = \"123\"\n",
     "print(guess)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": null,
    "id": "b41186fa-ff8a-4e5e-ba55-1c9450a5c9af",
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "0\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
+    "#integer \n",
     "guesses = 0\n",
     "print(guesses)"
    ]
@@ -183,9 +80,122 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 16,
    "id": "3adeee26-8a18-4bad-946b-3d06920ef82f",
    "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter a three digit number: 1\n"
+     ]
+    }
+   ],
+   "source": [
+    "guess = input(\"Enter a three digit number:\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "id": "ec055f06-6fdd-4ab9-bce2-d56c82093c4b",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(guess)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "8999ef19-6a3c-41ea-bf2b-11dcbbe64070",
+   "metadata": {},
+   "source": [
+    "## Check that the guess  a 3 digit number"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "id": "f7bcf18f-4e98-453f-bc1f-ef61b0aa55e4",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "1"
+      ]
+     },
+     "execution_count": 18,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(guess)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "id": "53fca278-f55e-43f1-ab5f-f6df4fb7c163",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 22,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(guess) == 3"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "id": "bd9b231e-53c5-4b05-8f55-86ccf289b1e1",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Guess is not 3 digits\n"
+     ]
+    }
+   ],
+   "source": [
+    "if len(guess) != 3:\n",
+    "    print(\"Guess is not 3 digits\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "2f806636-3296-42ce-914f-356e34e066a7",
+   "metadata": {},
+   "source": [
+    "## Re-prompt the user until they enter a 3 digit number"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "id": "d427210a-75be-4a47-83e2-fbdffa2b2644",
+   "metadata": {},
    "outputs": [
     {
      "name": "stdin",
@@ -196,25 +206,9 @@
     }
    ],
    "source": [
-    "guess = input(\"Enter a three digit number:\")"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 16,
-   "id": "ec055f06-6fdd-4ab9-bce2-d56c82093c4b",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "123\n"
-     ]
-    }
-   ],
-   "source": [
-    "print(guess)"
+    "guess = input(\"Enter a three digit number:\")\n",
+    "while len(guess) != 3:\n",
+    "    guess = input(\"Enter a three digit number:\")"
    ]
   },
   {
@@ -227,7 +221,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 56,
    "id": "7e1a2228-3316-4652-9051-70c355de94bb",
    "metadata": {},
    "outputs": [
@@ -235,13 +229,17 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "['1', '2', '3']\n"
+      "['1', '2', '3']\n",
+      "1\n",
+      "3\n"
      ]
     }
    ],
    "source": [
     "guess = list(guess)\n",
-    "print(guess)"
+    "print(guess)\n",
+    "print(guess[0])\n",
+    "print(guess[2])"
    ]
   },
   {
@@ -249,12 +247,12 @@
    "id": "ccd7b9d1-c266-498e-9f46-63c522c4d332",
    "metadata": {},
    "source": [
-    "## Itterate over the parts"
+    "## Itterate over the guess"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 57,
    "id": "ddca84c9-2fff-4302-afd0-7096649bcdc7",
    "metadata": {},
    "outputs": [
@@ -262,9 +260,9 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "5\n",
-      "8\n",
-      "5\n"
+      "1\n",
+      "2\n",
+      "3\n"
      ]
     }
    ],
@@ -273,6 +271,80 @@
     "    print(part)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 58,
+   "id": "f631cc60-92e9-4c16-a5ab-4f50dfd10cc2",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "index 0 value 1\n",
+      "index 1 value 2\n",
+      "index 2 value 3\n"
+     ]
+    }
+   ],
+   "source": [
+    "for index, value in enumerate(guess):\n",
+    "    print(f'index {index} value {value}')"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "201cae7a-2cc5-4ff0-ac16-730091e24b72",
+   "metadata": {},
+   "source": [
+    "## Functions"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 33,
+   "id": "3aebea62-fa40-4e87-8229-3aafb051a006",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def GetGuess():\n",
+    "    guess = input(\"Enter a three digit number:\")\n",
+    "    while len(guess) != 3:\n",
+    "        guess = input(\"Enter a three digit number:\")\n",
+    "    return list(guess)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 34,
+   "id": "a2430233-5753-433d-bada-d8ee086f2bb2",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter a three digit number: 12\n",
+      "Enter a three digit number: 12\n",
+      "Enter a three digit number: 34\n",
+      "Enter a three digit number: 123\n"
+     ]
+    },
+    {
+     "data": {
+      "text/plain": [
+       "['1', '2', '3']"
+      ]
+     },
+     "execution_count": 34,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "GetGuess()"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "77ab1ca2-0ea0-43b3-b6bd-d4438fa8141d",
@@ -283,7 +355,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 35,
    "id": "f4412eef-6b79-4329-b8e7-85f916d3dfbf",
    "metadata": {},
    "outputs": [],
@@ -294,10 +366,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 44,
    "id": "c9324728-63c2-4023-92fc-3e1e80dff03a",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "536\n"
+     ]
+    }
+   ],
    "source": [
     "number = random.randrange(100,999)\n",
     "print(number)"
@@ -305,95 +385,55 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
-   "id": "6194de2b-2dbe-4c49-bc00-e5bed3c35f1f",
+   "execution_count": 47,
+   "id": "183e5444-2b79-4366-84cf-4da91c2547cf",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "int"
+      ]
+     },
+     "execution_count": 47,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "type(number)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 48,
+   "id": "afe9d668-aefd-4021-9028-a21b04e931cd",
    "metadata": {},
    "outputs": [],
    "source": [
-    "finished = False"
+    "number = str(number)\n",
+    "number = list(number)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a5f6f56b-0678-4f82-9539-ae7c798d6c63",
+   "metadata": {},
+   "source": [
+    "## Check if number guessed is correct"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
-   "id": "e6e0b1c2-7c4b-4538-8421-bfdd027b1857",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 123\n",
-      "Enter a three digit number: 123\n",
-      "Enter a three digit number: 345\n",
-      "Enter a three digit number: 23\n",
-      "Enter a three digit number: 100\n",
-      "Enter a three digit number: 675\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "You win\n"
-     ]
-    }
-   ],
-   "source": [
-    "while finished == False:\n",
-    "    guess = input(\"Enter a three digit number:\")\n",
-    "    # covert to integer\n",
-    "    guess = int(guess)675\n",
-    "    if guess == number:\n",
-    "        print(\"You win\")\n",
-    "        finished = True"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 8,
-   "id": "232eb403-b705-447e-8d16-0909c4e63e6a",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "707\n"
-     ]
-    }
-   ],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 9,
-   "id": "12d5c294-7fc8-47ad-a3bd-45d10bbed198",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "['7', '0', '7']\n"
-     ]
-    }
-   ],
-   "source": [
-    "number_parts = [s for s in str(number)]\n",
-    "print(number_parts)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 24,
-   "id": "a4d0cfc2-34a1-43e8-8c91-5fe2918a4e9e",
+   "execution_count": 51,
+   "id": "6194de2b-2dbe-4c49-bc00-e5bed3c35f1f",
    "metadata": {},
    "outputs": [
     {
      "name": "stdin",
      "output_type": "stream",
      "text": [
+      "Enter a three digit number: \n",
       "Enter a three digit number: 123\n"
      ]
     },
@@ -401,97 +441,88 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "1 2 3 \n",
-      "P     \n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 456\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "4 5 6 \n",
-      "      \n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 789\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "7 8 9 \n",
-      "P P   \n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stdin",
-     "output_type": "stream",
-     "text": [
-      "Enter a three digit number: 817\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "You win!\n"
-     ]
-    }
-   ],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 22,
-   "id": "c43c7dc8-93f2-4f61-821f-1f8f0c2aba39",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "9\r"
+      "You guessed wrong\n"
      ]
     }
    ],
    "source": [
-    "from time import sleep\n",
-    "for i in range(10):\n",
-    "    print(i, end=\"\\r\")\n",
-    "    sleep(1)"
+    "guess = GetGuess()\n",
+    "if guess == number:\n",
+    "    print(\"You guessed correctly\")\n",
+    "else:\n",
+    "    print(\"You guessed wrong\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "0496040d-4d2c-4580-9993-d1832568cd6b",
+   "metadata": {},
+   "source": [
+    "## Check Fumi"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
-   "id": "f647c557-d247-48b9-8c31-5623dea46336",
+   "execution_count": 55,
+   "id": "ab9145db-4662-41ae-ba38-6c66c7402d80",
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "IPython will make a temporary file named: /tmp/ipython_edit_m0vz1ei2/ipython_edit_oww2f6iw.py\n"
+      "index 0 value 1\n",
+      "index 1 value 2\n",
+      "index 2 value 3\n"
      ]
     }
    ],
    "source": [
-    "%edit"
+    "for index, value in enumerate(guess):\n",
+    "    print(f'index {index} value {value}')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f647c557-d247-48b9-8c31-5623dea46336",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# %load picofumi.py\n",
+    "import random \n",
+    "random.seed()\n",
+    "\n",
+    "number = random.randrange(100, 999)\n",
+    "number = list(str(number))\n",
+    "guesses = 0\n",
+    "while True:\n",
+    "    \n",
+    "    if guesses == 5:\n",
+    "        print(\"You loose!\")\n",
+    "        for value in number:\n",
+    "            print(value, end=\" \")\n",
+    "        break\n",
+    "    hint = [\" \", \" \", \" \"]\n",
+    "    guess = input(\"Enter a three digit number:\")\n",
+    "    while len(guess) != 3:\n",
+    "        guess = input(\"Enter a three digit number:\")\n",
+    "    \n",
+    "    guess = list(guess)\n",
+    "    if guess == number:\n",
+    "        print(\"You win!\")\n",
+    "        break\n",
+    "    for index, value in enumerate(guess):\n",
+    "        print(value, end=\" \")\n",
+    "        if value in number:\n",
+    "            hint[index] = \"P\"\n",
+    "    print(\"\")\n",
+    "    for index, value in enumerate(guess):\n",
+    "        if number[index] == value:\n",
+    "            hint[index] = \"F\"\n",
+    "        print(hint[index], end=\" \")\n",
+    "    guesses += 1\n",
+    "    print(\"\\n\")"
    ]
   },
   {