diff --git a/lists.ipynb b/lists.ipynb
index b766735..c32380d 100644
--- a/lists.ipynb
+++ b/lists.ipynb
@@ -37,6 +37,7 @@
   {
    "cell_type": "code",
    "execution_count": 2,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
@@ -47,6 +48,15 @@
      ]
     }
    ],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['Alcman', 'Sappho', 'Alcaeus', 'Anacreon', 'Stesichorus', 'Ibycus', 'Simonides', 'Bacchylides', 'Pindar']\n"
+     ]
+    }
+   ],
    "source": [
     "print(lyric_poets)"
    ]
@@ -60,7 +70,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [
     {
@@ -77,13 +87,13 @@
        " 'Pindar']"
       ]
      },
-     "execution_count": 3,
+     "execution_count": 13,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "lyric_poets"
+    "lyric_poets "
    ]
   },
   {
@@ -97,7 +107,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [
     {
@@ -106,7 +116,7 @@
        "'Alcman'"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 14,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -124,7 +134,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 15,
    "metadata": {},
    "outputs": [
     {
@@ -133,7 +143,7 @@
        "str"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 15,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -151,7 +161,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 16,
    "metadata": {},
    "outputs": [
     {
@@ -160,7 +170,7 @@
        "'alcman'"
       ]
      },
-     "execution_count": 7,
+     "execution_count": 16,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -171,7 +181,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [
     {
@@ -180,7 +190,7 @@
        "'ALCMAN'"
       ]
      },
-     "execution_count": 8,
+     "execution_count": 17,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -198,7 +208,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 18,
    "metadata": {},
    "outputs": [
     {
@@ -207,7 +217,7 @@
        "'Pindar'"
       ]
      },
-     "execution_count": 9,
+     "execution_count": 18,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -225,7 +235,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [
     {
@@ -234,7 +244,7 @@
        "'Pindar'"
       ]
      },
-     "execution_count": 10,
+     "execution_count": 19,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -252,7 +262,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [
     {
@@ -261,7 +271,7 @@
        "'Pindar'"
       ]
      },
-     "execution_count": 11,
+     "execution_count": 20,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -279,7 +289,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [
     {
@@ -288,7 +298,7 @@
        "'Bacchylides'"
       ]
      },
-     "execution_count": 12,
+     "execution_count": 21,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -375,7 +385,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [
     {
@@ -392,7 +402,7 @@
        " 'Pindar']"
       ]
      },
-     "execution_count": 16,
+     "execution_count": 22,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -411,7 +421,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -420,7 +430,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [
     {
@@ -438,7 +448,7 @@
        " 'Horace']"
       ]
      },
-     "execution_count": 18,
+     "execution_count": 24,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -499,7 +509,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [
     {
@@ -518,7 +528,7 @@
        " 'Horace']"
       ]
      },
-     "execution_count": 23,
+     "execution_count": 25,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -537,7 +547,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [
     {
@@ -557,7 +567,7 @@
        " 'Homer']"
       ]
      },
-     "execution_count": 24,
+     "execution_count": 26,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -576,7 +586,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -626,7 +636,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
@@ -638,6 +648,16 @@
      ]
     }
    ],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "I most recently taught in S2022.\n",
+      "I also taught in F2018, S2019, F2019, S2020, F2021.\n"
+     ]
+    }
+   ],
    "source": [
     "teaching_semesters = [\"F2018\", \"S2019\", \"F2019\", \"S2020\", \"F2021\", \"S2022\"]\n",
     "\n",
@@ -663,7 +683,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
@@ -672,47 +692,7 @@
        "['F2018', 'S2019', 'F2019', 'S2020', 'F2021']"
       ]
      },
-     "execution_count": 28,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "teaching_semesters"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 29,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "'F2021'"
-      ]
-     },
-     "execution_count": 29,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "teaching_semesters.pop()"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 30,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "['F2018', 'S2019', 'F2019', 'S2020']"
-      ]
-     },
-     "execution_count": 30,
+     "execution_count": 2,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -730,7 +710,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -739,16 +719,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "['F2018', 'S2019', 'F2019']"
+       "['F2018', 'S2019', 'F2019', 'F2021']"
       ]
      },
-     "execution_count": 32,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -775,7 +755,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [
     {
@@ -784,7 +764,7 @@
        "[3, 4, 1, 5, -1, 8]"
       ]
      },
-     "execution_count": 33,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -796,7 +776,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [
     {
@@ -805,7 +785,7 @@
        "[-1, 1, 3, 4, 5, 8]"
       ]
      },
-     "execution_count": 34,
+     "execution_count": 6,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -824,7 +804,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [
     {
@@ -833,7 +813,7 @@
        "[3, 4, 1, 5, -1, 8]"
       ]
      },
-     "execution_count": 35,
+     "execution_count": 7,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -845,14 +825,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "[8, 5, 4, 3, 1, -1]\n",
+      "[-1, 1, 3, 4, 5, 8]\n",
       "[3, 4, 1, 5, -1, 8]\n"
      ]
     }
@@ -873,7 +853,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 38,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [
     {
@@ -882,7 +862,7 @@
        "[8, -1, 5, 1, 4, 3]"
       ]
      },
-     "execution_count": 38,
+     "execution_count": 28,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -908,7 +888,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 29,
    "metadata": {},
    "outputs": [
     {
@@ -917,7 +897,7 @@
        "6"
       ]
      },
-     "execution_count": 39,
+     "execution_count": 29,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -937,7 +917,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [
     {
@@ -947,7 +927,7 @@
      "traceback": [
       "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
       "\u001b[0;31mIndexError\u001b[0m                                Traceback (most recent call last)",
-      "Cell \u001b[0;32mIn[41], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43mmy_list\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m6\u001b[39;49m\u001b[43m]\u001b[49m\n",
+      "Cell \u001b[0;32mIn[30], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43mmy_list\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m6\u001b[39;49m\u001b[43m]\u001b[49m\n",
       "\u001b[0;31mIndexError\u001b[0m: list index out of range"
      ]
     }
@@ -965,7 +945,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 44,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [
     {
@@ -974,7 +954,7 @@
        "3"
       ]
      },
-     "execution_count": 44,
+     "execution_count": 32,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1019,10 +999,218 @@
     "\n",
     "Complete Exercise 3-8 in Matthes (2023, p. 45)."
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "destinations = [\"greece\", \"turkey\", \"japan\", \"germany\", \"new zealand\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['greece', 'turkey', 'japan', 'germany', 'new zealand']\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(destinations)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['germany', 'greece', 'japan', 'new zealand', 'turkey']\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(sorted(destinations))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['greece', 'turkey', 'japan', 'germany', 'new zealand']\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(destinations)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['turkey', 'new zealand', 'japan', 'greece', 'germany']\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(sorted(destinations, reverse=True))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['greece', 'turkey', 'japan', 'germany', 'new zealand']\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(destinations)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['new zealand', 'germany', 'japan', 'turkey', 'greece']\n"
+     ]
+    }
+   ],
+   "source": [
+    "destinations.reverse()\n",
+    "print(destinations)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['greece', 'turkey', 'japan', 'germany', 'new zealand']\n"
+     ]
+    }
+   ],
+   "source": [
+    "destinations.reverse()\n",
+    "print(destinations)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['germany', 'greece', 'japan', 'new zealand', 'turkey']\n"
+     ]
+    }
+   ],
+   "source": [
+    "destinations.sort()\n",
+    "print(destinations)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['turkey', 'new zealand', 'japan', 'greece', 'germany']\n"
+     ]
+    }
+   ],
+   "source": [
+    "destinations.sort(reverse=True)\n",
+    "print(destinations)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['greece', 'turkey', 'japan', 'germany', 'new zealand']"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "destinations.reverse()\n",
+    "destinations "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['greece', 'turkey', 'japan', 'germany', 'new zealand']"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "destinations"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
+   "display_name": "Python 3",
    "display_name": "Python 3",
    "language": "python",
    "name": "python3"
@@ -1038,6 +1226,7 @@
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.12.1"
+   "version": "3.12.1"
   }
  },
  "nbformat": 4,