diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index f3bde01..e85aac1 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -24,11 +24,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "id": "630d7e4d",
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "import os\n",
+    "import random\n",
+    "import pandas\n",
+    "import numpy\n",
+    "import math"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -41,10 +47,23 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "code",
+   "execution_count": 7,
    "id": "1207cb2c",
    "metadata": {},
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400]\n"
+     ]
+    }
+   ],
+   "source": [
+    "square = [i**2 for i in range(1,21)]\n",
+    "print(square)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -59,11 +78,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 9,
    "id": "c047115a",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[1.0, 1.4142135623730951, 1.7320508075688772, 2.0, 2.23606797749979, 2.449489742783178, 2.6457513110645907, 2.8284271247461903, 3.0, 3.1622776601683795, 3.3166247903554, 3.4641016151377544, 3.605551275463989, 3.7416573867739413, 3.872983346207417, 4.0, 4.123105625617661, 4.242640687119285, 4.358898943540674, 4.47213595499958, 4.58257569495584, 4.69041575982343, 4.795831523312719, 4.898979485566356, 5.0, 5.0990195135927845, 5.196152422706632, 5.291502622129181, 5.385164807134504, 5.477225575051661, 5.5677643628300215, 5.656854249492381, 5.744562646538029, 5.830951894845301, 5.916079783099616, 6.0, 6.082762530298219, 6.164414002968976, 6.244997998398398, 6.324555320336759, 6.4031242374328485, 6.48074069840786, 6.557438524302, 6.6332495807108, 6.708203932499369, 6.782329983125268, 6.855654600401044, 6.928203230275509, 7.0, 7.0710678118654755, 7.14142842854285, 7.211102550927978, 7.280109889280518, 7.3484692283495345, 7.416198487095663, 7.483314773547883, 7.54983443527075, 7.615773105863909, 7.681145747868608, 7.745966692414834, 7.810249675906654, 7.874007874011811, 7.937253933193772, 8.0, 8.06225774829855, 8.12403840463596, 8.18535277187245, 8.246211251235321, 8.306623862918075, 8.366600265340756, 8.426149773176359, 8.48528137423857, 8.54400374531753, 8.602325267042627, 8.660254037844387, 8.717797887081348, 8.774964387392123, 8.831760866327848, 8.888194417315589, 8.94427190999916, 9.0, 9.055385138137417, 9.1104335791443, 9.16515138991168, 9.219544457292887, 9.273618495495704, 9.327379053088816, 9.38083151964686, 9.433981132056603, 9.486832980505138, 9.539392014169456, 9.591663046625438, 9.643650760992955, 9.695359714832659, 9.746794344808963, 9.797958971132712, 9.848857801796104, 9.899494936611665, 9.9498743710662, 10.0]\n"
+     ]
+    }
+   ],
+   "source": [
+    "sqrt = [i**0.5 for i in range(1,101)]\n",
+    "print(sqrt)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -77,11 +107,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 13,
    "id": "e23d87ea",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[-1, -2, -3, -4, -5, -6, -7, -8, -9, -10]\n"
+     ]
+    }
+   ],
+   "source": [
+    "my_list = [-(i) for i in range(1,11)]\n",
+    "print(my_list)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -95,11 +136,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 17,
    "id": "d8d1c865",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99]\n"
+     ]
+    }
+   ],
+   "source": [
+    "odds = [i for i in range(1,100) if i % 2 != 0]\n",
+    "print(odds)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -112,11 +164,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 19,
    "id": "6a9cfb8c",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 126, 133, 140, 147, 154, 161, 168, 175, 182, 189, 196, 203, 210, 217, 224, 231, 238, 245, 252, 259, 266, 273, 280, 287, 294, 301, 308, 315, 322, 329, 336, 343, 350, 357, 364, 371, 378, 385, 392, 399, 406, 413, 420, 427, 434, 441, 448, 455, 462, 469, 476, 483, 490, 497, 504, 511, 518, 525, 532, 539, 546, 553, 560, 567, 574, 581, 588, 595, 602, 609, 616, 623, 630, 637, 644, 651, 658, 665, 672, 679, 686, 693, 700, 707, 714, 721, 728, 735, 742, 749, 756, 763, 770, 777, 784, 791, 798, 805, 812, 819, 826, 833, 840, 847, 854, 861, 868, 875, 882, 889, 896, 903, 910, 917, 924, 931, 938, 945, 952, 959, 966, 973, 980, 987, 994]\n"
+     ]
+    }
+   ],
+   "source": [
+    "divisible_by_seven = [i for i in range(1,1001) if i % 7 == 0]\n",
+    "print(divisible_by_seven)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -129,7 +192,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 21,
    "id": "43b38bd3",
    "metadata": {},
    "outputs": [],
@@ -141,11 +204,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 30,
    "id": "d5fc7426",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['F', 'n', 'd', ' ', 'l', 'l', ' ', 'f', ' ', 't', 'h', ' ', 'w', 'r', 'd', 's', ' ', 'n', ' ', ' ', 's', 't', 'r', 'n', 'g', ' ', 't', 'h', 't', ' ', 'r', ' ', 'm', 'n', 's', 'y', 'l', 'l', 'b', 'c']\n"
+     ]
+    }
+   ],
+   "source": [
+    "vowels = [\"a\", \"e\", \"i\", \"o\", \"u\"]\n",
+    "non_vowels = [i for i in teststring if i.lower() not in vowels]\n",
+    "#non_vowels = ''.join(non_vowels)\n",
+    "print(non_vowels)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -160,11 +236,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 34,
    "id": "3a43399c",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['T', 'Q', 'B', 'F', 'J', 'O', 'T', 'L', 'D']\n"
+     ]
+    }
+   ],
+   "source": [
+    "test_string = 'The Quick Brown Fox Jumped Over The Lazy Dog'\n",
+    "capital_letters = [i for i in str(test_string) if i.isupper() ]\n",
+    "#non_vowels = ''.join(non_vowels)\n",
+    "print(capital_letters)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -179,11 +268,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 37,
    "id": "3ddb68df",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['e', 'u', 'i', 'o', 'o', 'u', 'e', 'O', 'e', 'e', 'a', 'o']\n"
+     ]
+    }
+   ],
+   "source": [
+    "vowels = [\"a\", \"e\", \"i\", \"o\", \"u\"]\n",
+    "constants = [i for i in test_string if i.lower() in vowels]\n",
+    "print(constants)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -201,11 +302,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 46,
    "id": "22bb13eb",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['.git', '.gitignore', 'cheatsheet', 'datasets', 'example', 'faq-and-examples', 'images', 'README.md', 'troubleshooting', 'week-1', 'week-2']\n"
+     ]
+    }
+   ],
+   "source": [
+    "directory =r\"C:\\Users\\amirg\\OneDrive\\Documents\\Iron hack\\1_Data Analysis_Oktober\\ALL_Lectures\" \n",
+    "files = [i for i in os.listdir(directory)]\n",
+    "print(files)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -220,11 +333,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 49,
    "id": "120b29bd",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[[16, 34, 10, 23, 97, 92, 60, 2, 50, 39], [20, 25, 20, 80, 35, 51, 82, 38, 4, 75], [81, 1, 31, 50, 88, 86, 95, 41, 8, 84], [71, 24, 6, 39, 20, 63, 55, 72, 35, 26]]\n"
+     ]
+    }
+   ],
+   "source": [
+    "random_lists = [[random.randint(0, 100) for _ in range(10)] for _ in range(4)]\n",
+    "print(random_lists)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -238,7 +362,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 39,
    "id": "b3afebb7",
    "metadata": {},
    "outputs": [],
@@ -248,11 +372,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 40,
    "id": "b6bcef37",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[1, 2, 3, 4, 5, 6, 7, 8, 9]\n"
+     ]
+    }
+   ],
+   "source": [
+    "flatten_list =[j for i in list_of_lists for j in i]\n",
+    "print(flatten_list)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -267,7 +402,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 41,
    "id": "7087f44e",
    "metadata": {},
    "outputs": [],
@@ -279,11 +414,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 43,
    "id": "a932aff5",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[40.0, 20.0, 10.0, 30.0, 20.0, 20.0, 20.0, 20.0, 20.0, 30.0, 20.0, 30.0, 20.0, 30.0, 50.0, 10.0, 30.0, 20.0, 20.0, 20.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0]\n"
+     ]
+    }
+   ],
+   "source": [
+    "floats = [float(j) for i in list_of_lists for j in i]\n",
+    "print(floats)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -295,23 +441,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 50,
    "id": "b5980ab4",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Cannot compute a**2 because a is not a number.\n",
+      "Cannot compute b**2 because b is not a number.\n",
+      "Cannot compute c**2 because c is not a number.\n"
+     ]
+    }
+   ],
    "source": [
-    "for i in ['a','b','c']:\n",
-    "    print i**2"
+    "for i in ['a', 'b', 'c']:\n",
+    "    try:\n",
+    "        print(i**2)\n",
+    "    except TypeError:\n",
+    "        print(f\"Cannot compute {i}**2 because {i} is not a number.\")"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "3605fc78",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "markdown",
    "id": "bda76246",
@@ -326,25 +477,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 53,
    "id": "441acd1c",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Cannot compute 5/0 because the denominator is 0.\n"
+     ]
+    }
+   ],
    "source": [
     "x = 5\n",
     "y = 0\n",
-    "\n",
-    "z = x/y"
+    "try:\n",
+    "    z = x/y\n",
+    "except ZeroDivisionError:\n",
+    "    print(f\"Cannot compute {x}/{y} because the denominator is {0}.\")"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "976fec9f",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "markdown",
    "id": "85ea78c5",
@@ -357,23 +510,26 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 56,
    "id": "783a8224",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "You cannot compute because abc is a <class 'list'>\n"
+     ]
+    }
+   ],
    "source": [
     "abc=[10,20,20]\n",
-    "print(abc[3])"
+    "try:\n",
+    "    print(abc[3])\n",
+    "except IndexError:\n",
+    "    print(f\"You cannot compute because abc is a {type(abc)}\")\n"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "cfcf15f0",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "markdown",
    "id": "10223640",
@@ -388,11 +544,40 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 62,
    "id": "3c1f141b",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "5 / 5 = 1.0\n"
+     ]
+    }
+   ],
+   "source": [
+    "x = input(\"Enter the first number: \")\n",
+    "y = input(\"Enter the second number: \")\n",
+    "\n",
+    "def divide_numbers(x, y):\n",
+    "    try:\n",
+    "        x = float(x)\n",
+    "        y = float(y)\n",
+    "\n",
+    "        # Check for division by zero\n",
+    "        if y == 0:\n",
+    "            return f\"Cannot compute {x}/{y} because the denominator is {y}.\"\n",
+    "        \n",
+    "        # Perform the division\n",
+    "        result = x / y\n",
+    "        return result\n",
+    "\n",
+    "    except ValueError:\n",
+    "        return f\"The input provided should be numbers\"\n",
+    "\n",
+    "print(f\"{x} / {y} = {divide_numbers(x, y)}\")\n"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -406,25 +591,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 77,
    "id": "b73f824c",
    "metadata": {},
    "outputs": [
     {
-     "ename": "FileNotFoundError",
-     "evalue": "[Errno 2] No such file or directory: 'testfile'",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mFileNotFoundError\u001b[0m                         Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-1-cd8832385d15>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mf\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'testfile'\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m'r'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      2\u001b[0m \u001b[0mf\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mwrite\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'Test write this'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mFileNotFoundError\u001b[0m: [Errno 2] No such file or directory: 'testfile'"
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The file you are looking for is not found\n"
      ]
     }
    ],
    "source": [
-    "f = open('testfile','r')\n",
-    "f.write('Test write this')"
+    "\n",
+    "try:\n",
+    "    f = open('myfile.txt')\n",
+    "\n",
+    "except FileNotFoundError:\n",
+    "    print(f\"The file you are looking for is not found\")\n",
+    "# except PermissionError:\n",
+    "    # print(f\"You do not have permissions for the file you are looking for {f}\")\n",
+    "except ValueError:\n",
+    "    print(f\"You do not have permissions for the file you are looking for\")\n",
+    "\n",
+    "\n",
+    "    \n"
    ]
   },
   {
@@ -447,23 +639,29 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 91,
    "id": "5f639ab1",
    "metadata": {},
    "outputs": [
     {
-     "ename": "IndentationError",
-     "evalue": "unexpected indent (<ipython-input-2-f4ec7bf448fd>, line 2)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-2-f4ec7bf448fd>\"\u001b[0;36m, line \u001b[0;32m2\u001b[0m\n\u001b[0;31m    line = f.readline()\u001b[0m\n\u001b[0m    ^\u001b[0m\n\u001b[0;31mIndentationError\u001b[0m\u001b[0;31m:\u001b[0m unexpected indent\n"
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The file you are looking for is not found\n"
      ]
     }
    ],
    "source": [
-    "fp = open('myfile.txt')\n",
+    "try:\n",
+    "    fp = open('myfile.txt')\n",
     "    line = f.readline()\n",
-    "    i = int(s.strip())\n"
+    "    i = int(s.strip())\n",
+    "\n",
+    "except IndentationError: #useless...\n",
+    "    print(f\"You have an indentation error\")\n",
+    "except FileNotFoundError:\n",
+    "    print(f\"The file you are looking for is not found\")\n",
+    "\n"
    ]
   },
   {
@@ -481,20 +679,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 92,
    "id": "3f043ef6",
    "metadata": {},
    "outputs": [
     {
-     "ename": "NameError",
-     "evalue": "name 'sys' is not defined",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-5-a780eef459e9>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      2\u001b[0m     \u001b[0;32massert\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0;34m'linux'\u001b[0m \u001b[0;32min\u001b[0m \u001b[0msys\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mplatform\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"Function can only run on Linux systems.\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      3\u001b[0m     \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'Doing something.'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 4\u001b[0;31m \u001b[0mlinux_interaction\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
-      "\u001b[0;32m<ipython-input-5-a780eef459e9>\u001b[0m in \u001b[0;36mlinux_interaction\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mlinux_interaction\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m     \u001b[0;32massert\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0;34m'linux'\u001b[0m \u001b[0;32min\u001b[0m \u001b[0msys\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mplatform\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"Function can only run on Linux systems.\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      3\u001b[0m     \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'Doing something.'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0mlinux_interaction\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mNameError\u001b[0m: name 'sys' is not defined"
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Name error\n"
      ]
     }
    ],
@@ -502,7 +695,10 @@
     "def linux_interaction():\n",
     "    assert ('linux' in sys.platform), \"Function can only run on Linux systems.\"\n",
     "    print('Doing something.')\n",
-    "linux_interaction()"
+    "try:\n",
+    "    linux_interaction()\n",
+    "except NameError:\n",
+    "    print(\"Name error\")"
    ]
   },
   {
@@ -636,7 +832,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.13"
+   "version": "3.11.6"
   },
   "toc": {
    "base_numbering": 1,