diff --git a/s24/AmFam_Ashwin/18_Dictionaries2/Lecture Code/Lec_18_Dictionaries2_Solution.ipynb b/s24/AmFam_Ashwin/18_Dictionaries2/Lecture Code/Lec_18_Dictionaries2_Solution.ipynb
index fdd91362e61ae72b598612eda443de793311ade9..0c07ac4a28a4b1ce42cb731953c55fb8ea5a1a59 100644
--- a/s24/AmFam_Ashwin/18_Dictionaries2/Lecture Code/Lec_18_Dictionaries2_Solution.ipynb	
+++ b/s24/AmFam_Ashwin/18_Dictionaries2/Lecture Code/Lec_18_Dictionaries2_Solution.ipynb	
@@ -181,10 +181,20 @@
     }
    ],
    "source": [
+    "non_alpha_chars = [] # empty list\n",
+    "for word in english_dict:\n",
+    "    word_def = english_dict[word]\n",
+    "    for char in word_def:\n",
+    "        if not char.isalpha():\n",
+    "            non_alpha_chars.append(char) # append all non-alphabetical characters to list\n",
+    "non_alpha_chars = list(set(non_alpha_chars)) # remove duplicates\n",
+    "\n",
     "defs_with_or = 0\n",
     "for word in english_dict:\n",
     "    word_def = english_dict[word]\n",
-    "    if \"or\" in word_def.split(\" \"): # this is still imperfect; ideally, we should remove all non-alphabetical characters first\n",
+    "    for char in non_alpha_chars: # loop through list of non-alphabetical characters\n",
+    "        word_def = word_def.replace(char, \" \") # replace them with the whitespace character\n",
+    "    if \"or\" in word_def.split(\" \"):\n",
     "        defs_with_or += 1\n",
     "\n",
     "defs_with_or"
@@ -44340,36 +44350,37 @@
      "name": "stdin",
      "output_type": "stream",
      "text": [
-      "enter a cmd (type \"help\" for descriptions):  set bob 3\n",
-      "enter a cmd (type \"help\" for descriptions):  get chang\n"
+      "enter a cmd (type \"help\" for descriptions):  set bob 4\n",
+      "enter a cmd (type \"help\" for descriptions):  get bob\n"
      ]
     },
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "unknown name\n"
+      "4\n"
      ]
     },
     {
      "name": "stdin",
      "output_type": "stream",
      "text": [
-      "enter a cmd (type \"help\" for descriptions):  get bob\n"
+      "enter a cmd (type \"help\" for descriptions):  print\n"
      ]
     },
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "3\n"
+      "bob : 4\n",
+      "alice : 0\n"
      ]
     },
     {
      "name": "stdin",
      "output_type": "stream",
      "text": [
-      "enter a cmd (type \"help\" for descriptions):  set chang 5\n",
+      "enter a cmd (type \"help\" for descriptions):  set chang 10\n",
       "enter a cmd (type \"help\" for descriptions):  print\n"
      ]
     },
@@ -44377,9 +44388,9 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "bob : 3\n",
+      "bob : 4\n",
       "alice : 0\n",
-      "chang : 5\n"
+      "chang : 10\n"
      ]
     },
     {
@@ -44400,7 +44411,7 @@
      "name": "stdin",
      "output_type": "stream",
      "text": [
-      "enter a cmd (type \"help\" for descriptions):  set alice 5\n",
+      "enter a cmd (type \"help\" for descriptions):  set alice 10\n",
       "enter a cmd (type \"help\" for descriptions):  high\n"
      ]
     },