Finalized 00_welcome and 01_getting_started

Author: nicole-brewer

00_welcome.ipynb

@@ -84,17 +84,28 @@
     "6. publishing: use Binder and Voila to publish your application\n",
     "7. layouts: styling and arranging widgets\n",
     "8. dashboard_02 (code only)\n",
-    "9. review\n",
-    "10. web_application"
+    "9. review"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "23d4a1bc-b7c5-4966-a567-374d55d3c8fb",
+   "metadata": {},
+   "source": [
+    "## Preview of the Final Product"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "487de2c6-4f7d-4f48-960c-fab45de78b13",
+   "id": "2df63040-7a12-44f2-a3d1-2db16e249bc7",
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "%%bash\n",
+    "\n",
+    "voila dashboard_02.ipynb"
+   ]
   }
  ],
  "metadata": {

01_getting_started.ipynb

@@ -15,7 +15,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%xmode Minimal"
+    "import dashboard"
    ]
   },
   {
@@ -204,6 +204,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "%%exception\n",
+    "\n",
     "slider.value = 'hi'"
    ]
   },
@@ -349,12 +351,30 @@
    "execution_count": null,
    "id": "84f1e291-c060-4802-91a0-a96a7b0659f8",
    "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "exported to key/01/01.py\n"
+     ]
+    }
+   ],
+   "source": [
+    "# %answer key/01/01.py\n",
+    "\n",
+    "# update this print statement to be more informative \n",
+    "# something is missing here"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "c982be50-d870-4b55-a296-2ba03b2680b7",
+   "metadata": {},
    "outputs": [],
    "source": [
-    "def on_value_change(change):\n",
-    "    print(change) # update this print statement to be more informative \n",
-    "\n",
-    "slider.observe(on_value_change) # something is missing here"
+    "slider.value = 20"
    ]
   },
   {
@@ -392,7 +412,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "slider"
+    "slider.value = 30"
    ]
   },
   {
@@ -408,8 +428,18 @@
    "execution_count": null,
    "id": "b6d43a64-3bdd-4673-8bdf-bffac68f6b95",
    "metadata": {},
-   "outputs": [],
-   "source": [
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "exported to key/01/02.py\n"
+     ]
+    }
+   ],
+   "source": [
+    "# %answer key/01/02.py\n",
+    "\n",
     "# Call on_value_change every time value changes"
    ]
   },
@@ -441,18 +471,6 @@
     "Great job! We made it to the end of our introduction. Next we will take a look at an actual scientific workflow, and then we will start using what we learned about ipywidgets to create a data dashboard. But first, let's preview the end product!"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "9321648b-b998-4d57-9d04-d4eb76dfbaa0",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "%%bash\n",
-    "\n",
-    "voila dashboard_02.ipynb"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,

03/01.py

@@ -0,0 +1,5 @@
+
+def on_value_change(change):
+     print(f"Value was {change['old']} but is now {change['new']}")  # update this print statement to be more informative 
+
+slider.observe(on_value_change, 'value') # something is missing here

key/01/01.py

@@ -0,0 +1,2 @@
+
+slider.observe(on_value_change, 'value') # Call on_value_change every time value changes