Updating the notebooks

Author: AllenDowney

chapters/chap04.ipynb

@@ -1080,32 +1080,15 @@
  },
  {
  "cell_type": "markdown",
- "id": "3a56643b",
+ "id": "991ab59d",
  "metadata": {},
  "source": [
  "### Exercise\n",
  "\n",
- "Write an appropriately general set of functions that can draw shapes like this."
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 57,
- "id": "be86eb71",
- "metadata": {
- "tags": []
- },
- "outputs": [],
- "source": [
- "from IPython.display import SVG, display\n",
- "display(SVG(url='https://github.com/AllenDowney/ThinkPython/raw/v3/jupyturtle_pie.svg'))"
- ]
- },
- {
- "cell_type": "markdown",
- "id": "feae252c",
- "metadata": {},
- "source": [
+ "Write an appropriately general set of functions that can draw shapes like this.\n",
+ "\n",
+ "![](https://github.com/AllenDowney/ThinkPython/raw/v3/jupyturtle_pie.png)\n",
+ "\n",
  "Hint: Write a function called `triangle` that draws one triangular segment, and then a function called `draw_pie` that uses `triangle`."
  ]
  },
@@ -1142,7 +1125,7 @@
  {
  "cell_type": "code",
  "execution_count": null,
- "id": "f8cbf549",
+ "id": "c519ca39",
  "metadata": {
  "tags": []
  },
@@ -1173,32 +1156,15 @@
  },
  {
  "cell_type": "markdown",
- "id": "e35f613a",
+ "id": "9c78b76f",
  "metadata": {},
  "source": [
  "### Exercise\n",
  "\n",
- "Write an appropriately general set of functions that can draw flowers like this."
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 58,
- "id": "c8095531",
- "metadata": {
- "tags": []
- },
- "outputs": [],
- "source": [
- "from IPython.display import SVG, display\n",
- "display(SVG(url='https://github.com/AllenDowney/ThinkPython/raw/v3/jupyturtle_flower.svg'))"
- ]
- },
- {
- "cell_type": "markdown",
- "id": "7c665dd1",
- "metadata": {},
- "source": [
+ "Write an appropriately general set of functions that can draw flowers like this.\n",
+ "\n",
+ "![](https://github.com/AllenDowney/ThinkPython/raw/v3/jupyturtle_flower.png)\n",
+ "\n",
  "Hint: Use `arc` to write a function called `petal` that draws one flower petal."
  ]
  },
@@ -1240,7 +1206,7 @@
  {
  "cell_type": "code",
  "execution_count": null,
- "id": "8e92df6f",
+ "id": "04193da5",
  "metadata": {
  "tags": []
  },