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for loops exercises #9

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143 changes: 129 additions & 14 deletions for-loops.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -86,9 +86,18 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"metadata": {},
"outputs": [],
"outputs": [
{
"ename": "IndentationError",
"evalue": "expected an indented block after 'for' statement on line 3 (3799840020.py, line 4)",
"output_type": "error",
"traceback": [
"\u001b[0;36m Cell \u001b[0;32mIn[2], line 4\u001b[0;36m\u001b[0m\n\u001b[0;31m print(character)\u001b[0m\n\u001b[0m ^\u001b[0m\n\u001b[0;31mIndentationError\u001b[0m\u001b[0;31m:\u001b[0m expected an indented block after 'for' statement on line 3\n"
]
}
],
"source": [
"cast = [\"odysseus\", \"neoptolemus\", \"philoctetes\"]\n",
"\n",
Expand All @@ -107,9 +116,22 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 3,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"odysseus\n",
"And now the loop is done!\n",
"neoptolemus\n",
"And now the loop is done!\n",
"philoctetes\n",
"And now the loop is done!\n"
]
}
],
"source": [
"cast = [\"odysseus\", \"neoptolemus\", \"philoctetes\"]\n",
"\n",
Expand All @@ -128,9 +150,20 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 4,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"odysseus\n",
"neoptolemus\n",
"philoctetes\n",
"philoctetes was played by a great actor!\n"
]
}
],
"source": [
"cast = [\"odysseus\", \"neoptolemus\", \"philoctetes\"]\n",
"\n",
Expand Down Expand Up @@ -175,19 +208,41 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 6,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[0, 2, 4, 6, 8]"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# We can use the third argument to adjust the size of each step\n",
"list(range(0, 10, 2))"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 7,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Or we can pass `range()` just one argument, and it will start from 0:\n",
"list(range(10))"
Expand Down Expand Up @@ -278,9 +333,21 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 5,
"metadata": {},
"outputs": [],
"outputs": [
{
"ename": "TypeError",
"evalue": "'tuple' object does not support item assignment",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
"Cell \u001b[0;32mIn[5], line 3\u001b[0m\n\u001b[1;32m 1\u001b[0m my_tuple \u001b[38;5;241m=\u001b[39m (\u001b[38;5;241m1\u001b[39m, \u001b[38;5;241m2\u001b[39m, \u001b[38;5;241m3\u001b[39m)\n\u001b[0;32m----> 3\u001b[0m \u001b[43mmy_tuple\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m]\u001b[49m \u001b[38;5;241m=\u001b[39m \u001b[38;5;241m5\u001b[39m\n",
"\u001b[0;31mTypeError\u001b[0m: 'tuple' object does not support item assignment"
]
}
],
"source": [
"my_tuple = (1, 2, 3)\n",
"\n",
Expand All @@ -304,11 +371,59 @@
"\n",
"Matthes 2023, p. 67, Exercise 4-13."
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"polenta\n",
"sauce\n",
"bread\n",
"meat\n",
"beans\n",
"polenta\n",
"ice\n",
"bread\n",
"cheese\n",
"beans\n"
]
},
{
"ename": "TypeError",
"evalue": "'tuple' object does not support item assignment",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
"Cell \u001b[0;32mIn[13], line 13\u001b[0m\n\u001b[1;32m 10\u001b[0m \u001b[38;5;28;01mfor\u001b[39;00m food \u001b[38;5;129;01min\u001b[39;00m my_tuple:\n\u001b[1;32m 11\u001b[0m \u001b[38;5;28mprint\u001b[39m(food)\n\u001b[0;32m---> 13\u001b[0m \u001b[43mmy_tuple\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m]\u001b[49m \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mfish\u001b[39m\u001b[38;5;124m\"\u001b[39m\n",
"\u001b[0;31mTypeError\u001b[0m: 'tuple' object does not support item assignment"
]
}
],
"source": [
"my_tuple = (\"polenta\",\"sauce\",\"bread\",\"meat\",\"beans\")\n",
"\n",
"for food in my_tuple:\n",
" print(food)\n",
"\n",
"\n",
"my_tuple = (\"polenta\",\"ice\",\"bread\",\"cheese\",\"beans\")\n",
"\n",
"for food in my_tuple:\n",
" print(food)\n",
"\n",
"my_tuple[1] = \"fish\""
]
}
],
"metadata": {
"kernelspec": {
"display_name": ".venv",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -322,7 +437,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.12.7"
"version": "3.12.1"
}
},
"nbformat": 4,
Expand Down