Rephrase Ex3 (uniqueness was phrased incorrectly)

Session 2 - Data Structures/Session 2 - Data Structures.ipynb

@@ -195,7 +195,7 @@
     "\n",
     "See for example these links for explanations on set operations: https://en.wikipedia.org/wiki/Set_(mathematics)#Basic_operations or https://snakify.org/en/lessons/sets/.\n",
     "\n",
-    "A list, string or tuple can be converted to a set by `set(sequence_to_convert)`. Since sets only have unique items, the set  resulting from the operation has same values as the input sequence, but with duplicates removed. This can be a way to find all unique elements. \n",
+    "A list, string or tuple can be converted to a set by `set(sequence_to_convert)`. Since sets only have unique items, the set resulting from the operation has same values as the input sequence, but with duplicates removed. This can be a way to create a list with only unique elements. \n",
     "\n",
     "For example:\n",
     "~~~python\n",
@@ -1216,18 +1216,9 @@
     "~~~"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "# End of exercises\n",
-    "\n",
-    "*The cell below is for setting the style of this document. It's not part of the exercises.*"
-   ]
-  },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
@@ -1236,7 +1227,7 @@
        "[None, None, 182, None, 151, 174]"
       ]
      },
-     "execution_count": 36,
+     "execution_count": 1,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1289,7 +1280,7 @@
    "metadata": {},
    "source": [
     "# Exercise 3\n",
-    "Create a list of the unique values from the following list:\n",
+    "Remove the duplicates from the following list:\n",
     "\n",
     "~~~python\n",
     "L2 = ['Hi', 'Hello', 'Hi!', 'Hey', 'Hi', 'hey', 'Hey']\n",