diff --git a/f23/Gurmail_Lecture_Notes/24_Comprehensions/lec_24_comprehensions.ipynb b/f23/Gurmail_Lecture_Notes/24_Comprehensions/lec_24_comprehensions.ipynb
index 6585696055b28dd13dc4720d0bbe5ed6e0b79a1f..1e4c8df8318d5d61277f857d6e56c729be75dbe7 100644
--- a/f23/Gurmail_Lecture_Notes/24_Comprehensions/lec_24_comprehensions.ipynb
+++ b/f23/Gurmail_Lecture_Notes/24_Comprehensions/lec_24_comprehensions.ipynb
@@ -1119,9 +1119,8 @@
        " 'Zip Code',\n",
        " 'Latitude',\n",
        " 'Longitude',\n",
-       " 'Pet owner',\n",
        " 'Pizza topping',\n",
-       " 'Pet owner',\n",
+       " 'Cats or dogs',\n",
        " 'Runner',\n",
        " 'Sleep habit',\n",
        " 'Procrastinator',\n",
@@ -1185,36 +1184,36 @@
     {
      "data": {
       "text/plain": [
-       "[{'section': 'COMP SCI 220:LAB345, COMP SCI 220:LEC004',\n",
-       "  'Lecture': 'LEC004',\n",
-       "  'Age': None,\n",
+       "[{'section': 'COMP SCI 220:LEC003, COMP SCI 220:LAB333',\n",
+       "  'Lecture': 'LEC003',\n",
+       "  'Age': 19,\n",
        "  'Primary major': 'Other (please provide details below).',\n",
-       "  'Other Primary Major': None,\n",
+       "  'Other Primary Major': 'Atmospheric and Oceanic Science',\n",
        "  'Other majors': None,\n",
-       "  'Zip Code': '53,706',\n",
-       "  'Latitude': '22.5726',\n",
-       "  'Longitude': '88.3639',\n",
-       "  'Pet owner': 'No',\n",
-       "  'Pizza topping': 'pepperoni',\n",
+       "  'Zip Code': '53703',\n",
+       "  'Latitude': '44.256',\n",
+       "  'Longitude': '-88.409',\n",
+       "  'Pizza topping': 'basil/spinach',\n",
+       "  'Cats or dogs': 'cat',\n",
        "  'Runner': 'No',\n",
-       "  'Sleep habit': 'night owl',\n",
+       "  'Sleep habit': 'early bird',\n",
        "  'Procrastinator': 'Yes',\n",
-       "  'Song': 'Island in the Sun - Harry Belafonte'},\n",
-       " {'section': 'COMP SCI 220:LEC003, COMP SCI 220:LAB332',\n",
-       "  'Lecture': 'LEC001',\n",
+       "  'Song': 'Kanye'},\n",
+       " {'section': 'COMP SCI 220:LAB344, COMP SCI 220:LEC004',\n",
+       "  'Lecture': 'LEC004',\n",
        "  'Age': 19,\n",
-       "  'Primary major': 'Engineering: Mechanical',\n",
+       "  'Primary major': 'Engineering: Biomedical',\n",
        "  'Other Primary Major': None,\n",
        "  'Other majors': None,\n",
-       "  'Zip Code': '53,703',\n",
-       "  'Latitude': '44.5876',\n",
-       "  'Longitude': '-71.9466',\n",
-       "  'Pet owner': 'No',\n",
-       "  'Pizza topping': 'pepperoni',\n",
+       "  'Zip Code': '53711',\n",
+       "  'Latitude': '51.5072',\n",
+       "  'Longitude': '-0.1257',\n",
+       "  'Pizza topping': 'Other',\n",
+       "  'Cats or dogs': 'dog',\n",
        "  'Runner': 'No',\n",
        "  'Sleep habit': 'night owl',\n",
        "  'Procrastinator': 'Yes',\n",
-       "  'Song': 'No role modelz by J. Cole'}]"
+       "  'Song': 'Eyes Closed by Ed Sheeran\\xa0'}]"
       ]
      },
      "execution_count": 36,
@@ -1283,7 +1282,7 @@
     {
      "data": {
       "text/plain": [
-       "19.71"
+       "19.51"
       ]
      },
      "execution_count": 38,
@@ -1314,7 +1313,7 @@
     {
      "data": {
       "text/plain": [
-       "19.84"
+       "18.93"
       ]
      },
      "execution_count": 39,
@@ -1344,7 +1343,21 @@
     {
      "data": {
       "text/plain": [
-       "['night owl', 'night owl']"
+       "['early bird',\n",
+       " 'no preference',\n",
+       " 'night owl',\n",
+       " 'night owl',\n",
+       " 'night owl',\n",
+       " 'early bird',\n",
+       " 'night owl',\n",
+       " 'night owl',\n",
+       " 'early bird',\n",
+       " 'night owl',\n",
+       " 'night owl',\n",
+       " 'early bird',\n",
+       " 'night owl',\n",
+       " 'night owl',\n",
+       " 'night owl']"
       ]
      },
      "execution_count": 40,
@@ -1385,7 +1398,7 @@
     {
      "data": {
       "text/plain": [
-       "{'LEC004': 177, 'LEC001': 268, 'LEC002': 177, 'LEC003': 166}"
+       "{'LEC003': 230, 'LEC004': 208, 'LEC005': 71, 'LEC001': 258, 'LEC002': 252}"
       ]
      },
      "execution_count": 41,
@@ -1406,7 +1419,7 @@
     {
      "data": {
       "text/plain": [
-       "{'LEC004': 177, 'LEC001': 268, 'LEC002': 177, 'LEC003': 166}"
+       "{'LEC003': 230, 'LEC004': 208, 'LEC005': 71, 'LEC001': 258, 'LEC002': 252}"
       ]
      },
      "execution_count": 42,
@@ -1434,8 +1447,7 @@
     {
      "data": {
       "text/plain": [
-       "['No',\n",
-       " 'Yes',\n",
+       "['Yes',\n",
        " 'Yes',\n",
        " 'No',\n",
        " 'Yes',\n",
@@ -1446,7 +1458,8 @@
        " 'No',\n",
        " 'No',\n",
        " 'No',\n",
-       " 'Yes',\n",
+       " 'No',\n",
+       " 'No',\n",
        " 'No',\n",
        " 'No']"
       ]
@@ -1490,7 +1503,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "{'LEC004': 19, 'LEC001': 19, 'LEC002': 19.0, 'LEC003': 19}\n"
+      "{'LEC003': 19, 'LEC004': 19, 'LEC005': 18.0, 'LEC001': 19.0, 'LEC002': 19.0}\n"
      ]
     }
    ],
@@ -1523,7 +1536,7 @@
     {
      "data": {
       "text/plain": [
-       "{'LEC004': 19, 'LEC001': 19, 'LEC002': 19.0, 'LEC003': 19}"
+       "{'LEC003': 19, 'LEC004': 19, 'LEC005': 18.0, 'LEC001': 19.0, 'LEC002': 19.0}"
       ]
      },
      "execution_count": 46,
@@ -1553,7 +1566,7 @@
     {
      "data": {
       "text/plain": [
-       "{'LEC004': 26, 'LEC001': 30, 'LEC002': 69, 'LEC003': 30}"
+       "{'LEC003': 27, 'LEC004': 40, 'LEC005': 39, 'LEC001': 32, 'LEC002': 30}"
       ]
      },
      "execution_count": 47,
@@ -1738,21 +1751,23 @@
     {
      "data": {
       "text/plain": [
-       "{17: 2,\n",
-       " 18: 189,\n",
-       " 19: 235,\n",
-       " 20: 162,\n",
-       " 21: 75,\n",
-       " 22: 33,\n",
-       " 23: 15,\n",
+       "{17: 15,\n",
+       " 18: 253,\n",
+       " 19: 358,\n",
+       " 20: 165,\n",
+       " 21: 89,\n",
+       " 22: 28,\n",
+       " 23: 19,\n",
        " 24: 7,\n",
        " 25: 5,\n",
-       " 26: 8,\n",
-       " 28: 3,\n",
+       " 26: 2,\n",
+       " 27: 2,\n",
+       " 28: 1,\n",
        " 29: 1,\n",
        " 30: 2,\n",
-       " 33: 1,\n",
-       " 69: 1}"
+       " 32: 1,\n",
+       " 39: 1,\n",
+       " 40: 1}"
       ]
      },
      "execution_count": 53,
@@ -1781,21 +1796,21 @@
     {
      "data": {
       "text/plain": [
-       "['Tunak Tunak Tun - Daler Mehndi',\n",
-       " '\"Whats good\" by tyler the creator',\n",
-       " '\\xa0biggest bird',\n",
-       " 'robbery by juice world\\xa0',\n",
-       " 'Pursuit of happiness- kid cud',\n",
-       " 'El Entierro de los gatos',\n",
-       " 'the lakes -Taylor Swift',\n",
-       " 'Good To Me by Seventeen',\n",
-       " 'Kwabs - Walk',\n",
-       " \"Hold On, We're Going Home\",\n",
-       " 'your song Elton John\\xa0',\n",
-       " 'guerrilla',\n",
-       " 'Wilshire - Tyler the Creator',\n",
-       " 'How are you true - Cage the Elephant',\n",
-       " 'The Greatest - Rod Wave\\xa0']"
+       "['Do Not Disturb - Drake',\n",
+       " 'Cupid de Locke - the Smashing Pumpkins',\n",
+       " 'Shed a light',\n",
+       " \"Bang Bang - K'NAAN\",\n",
+       " 'I Wanna Dance with Somebody by Whitney Houston',\n",
+       " 'Counting Stars by One Republic',\n",
+       " 'Red Eye\\xa0\\n\\nJustin Bieber',\n",
+       " 'Dakiti - Bad Bunny',\n",
+       " 'Dance Monkey - Tones and I',\n",
+       " 'A Sky Full Of Stars- Coldplay',\n",
+       " 'Starships by Nicki Minaj',\n",
+       " 'Build Me Up Buttercup by The Foundations',\n",
+       " 'Eventually by Tame Impala',\n",
+       " 'Clean by Taylor Swift',\n",
+       " 'Back to December by Taylor Swift']"
       ]
      },
      "execution_count": 54,