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50 changes: 50 additions & 0 deletions lists.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -510,6 +510,56 @@
"\n",
"Complete Exercise 3-8 in Matthes (2023, p. 45)."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# Store the locations in a list (not in alphabetical order)\n",
"places_to_visit = [\"Japan\", \"Norway\", \"Iceland\", \"Austria\", \"South Africa\"]\n",
"\n",
"# Print the list in its original order\n",
"print(\"Original list:\")\n",
"print(places_to_visit)\n",
"\n",
"# Print the list in alphabetical order without modifying it\n",
"print(\"\\nAlphabetical order (using sorted()):\")\n",
"print(sorted(places_to_visit))\n",
"\n",
"# Show the list is still in its original order\n",
"print(\"\\nList after sorted() (still original order):\")\n",
"print(places_to_visit)\n",
"\n",
"# Print the list in reverse-alphabetical order without modifying it\n",
"print(\"\\nReverse alphabetical order (using sorted() with reverse=True):\")\n",
"print(sorted(places_to_visit, reverse=True))\n",
"\n",
"# Show the list is still in its original order\n",
"print(\"\\nList after sorted() with reverse=True (still original order):\")\n",
"print(places_to_visit)\n",
"\n",
"# Use reverse() to change the order of the list\n",
"places_to_visit.reverse()\n",
"print(\"\\nList after reverse():\")\n",
"print(places_to_visit)\n",
"\n",
"# Use reverse() to return to the original order\n",
"places_to_visit.reverse()\n",
"print(\"\\nList after second reverse() (back to original order):\")\n",
"print(places_to_visit)\n",
"\n",
"# Use sort() to change the list to alphabetical order\n",
"places_to_visit.sort()\n",
"print(\"\\nList after sort() (alphabetical order):\")\n",
"print(places_to_visit)\n",
"\n",
"# Use sort() to change the list to reverse alphabetical order\n",
"places_to_visit.sort(reverse=True)\n",
"print(\"\\nList after sort(reverse=True) (reverse alphabetical order):\")\n",
"print(places_to_visit)\n"
]
}
],
"metadata": {
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