Add Dall-E bird image and other Demystify fix-ups

content/classes_and_oop/elections_oop_code_challenge.ipynb

@@ -38,7 +38,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "id": "b4557040-ff63-448b-a083-474de0e17748",
    "metadata": {},
    "outputs": [],

content/classes_and_oop/hidden_life_of_objects.ipynb

@@ -7,13 +7,23 @@
    "source": [
     "# The Hidden Life of Objects\n",
     "\n",
-    "Like many programming languages, Python supports a style of coding known as [object-oriented programming](https://en.wikipedia.org/wiki/Object-oriented_programming), or **OOP**. \n",
+    "<p align=\"justify\">\n",
+    "Like many programming languages, Python supports a style of coding known as <a href=\"https://en.wikipedia.org/wiki/Object-oriented_programming\">object-oriented programming</a>, or <strong>OOP</strong>. \n",
+    "</p>\n",
     "\n",
+    "<img src=\"../files/dalle_birds_assembly_line_20240401.png\" alt=\"dalle image of birds on assembly line\" style=\"float:right; border:2px solid #555; margin: 10px;\" width=\"200\"/>\n",
+    "\n",
+    "<p align=\"justify\">\n",
     "This powerful coding paradigm allows you to combine data and code into objects.\n",
+    "</p>\n",
     "\n",
-    "The mechanism for this blending of data and code is a [class](https://docs.python.org/3/tutorial/classes.html). We typically create classes to model some entity and its related attributes and behaviors.\n",
+    "<p align=\"justify\">\n",
+    "The mechanism for this blending of data and code is a <a href=\"https://docs.python.org/3/tutorial/classes.html\">class</a>. We typically create classes to model some entity and its related attributes and behaviors.\n",
+    "</p>\n",
     "\n",
-    "For example, we've included a fun little `Bird` class in the [awesome.py](awesome.py) module. To use this class, you simply call it using parentheses `()`, the same way that you would call a function."
+    "<p align=\"justify\">\n",
+    "For example, we've included a fun little <code>Bird</code> class in the <a href=\"awesome.py\">awesome.py</a> module. To use this class, you simply call it using parentheses <strong><code>()</code></strong>, the same way that you would call a function.\n",
+    "</p>\n"
    ]
   },
   {
@@ -332,7 +342,7 @@
    "source": [
     "The `return` statement above allows you to get \"stuff\" back out of a function. \n",
     "\n",
-    "The so-called \"return value\" can a number, text, list, dictionary - basically any Python object that makes sense for your program's needs.\n",
+    "The so-called \"return value\" can be a number, text, list, dictionary - basically any Python object that makes sense for your program's needs.\n",
     "\n",
     "In this case, our `add_numbers` function requires you to pass in two numbers, and then returns their sum. \n",
     "\n",
@@ -366,11 +376,11 @@
    "id": "a25e89ff-a60f-4f74-8817-098c22a93abe",
    "metadata": {},
    "source": [
-    "And of courrse, methods can also have return value.\n",
+    "And of courrse, methods can also have a return value.\n",
     "\n",
     "**When dealing with functions/methods, it's important to understand what type of data is being returned.**\n",
     "\n",
-    "This concept of return values will help us finally unravel those long \"chains\" of method calls that we mentioned at the start of this tutorial (they're especially prevelant in `pandas` data analysis code).\n",
+    "This concept of return values will help us finally unravel those long \"chains\" of method calls that we mentioned at the start of this tutorial (they're especially prevalent in `pandas` data analysis code).\n",
     "\n",
     "But first, let's close the loop on the simple case of individual method calls on a single instance."
    ]