Part of function exercise.

Author: audreyfeldroy

part-3.ipynb

@@ -1,7 +1,16 @@
 {
  "metadata": {
+  "kernelspec": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "display_name": "IPython (Python 2)",
+   "language": "python",
+   "name": "python2"
+  },
   "name": "",
-  "signature": "sha256:3848b241b0636c3e2673e4668e6bbb1faaf7f14b99a3e00c8373dbe613082288"
+  "signature": "sha256:8a8862bd7e9d15dc6e564f2d49fb18a994ecef5e2e72b91161e511e00c6545bd"
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@@ -322,6 +331,94 @@
       "Note that we have a 'cupcakes' parameter as well as a 'guests' parameter. Our function is called and passes in two integer values of 4 and 15. It then prints out the returned result, 60."
      ]
     },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Exercise: Why are functions useful?"
+     ]
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "First, create a new Python script and type in the following."
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "print(\"\\nOn the day of Sept 20, 2014, were you at Intro to Python?\")\n",
+      "answer = input(\"Answer truthfully, yes or no --> \")\n",
+      "if answer == \"no\":\n",
+      "    answer = input(\"Are you sure that you weren't? Tell the truth, now --> \")\n",
+      "\n",
+      "print(\"\\nWere you thinking of skipping the workshop to go to Sea World?\")\n",
+      "answer = input(\"Answer truthfully, yes or no --> \")\n",
+      "if answer == \"no\":\n",
+      "    answer = input(\"Are you sure that you weren't? Tell the truth, now --> \")"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "On the day of Sept 20, 2014, were you at Intro to Python?\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Answer truthfully, yes or no --> yes\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "Were you thinking of skipping the workshop to go to Sea World?\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Answer truthfully, yes or no --> no\n"
+       ]
+      }
+     ]
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Look up when you're done, so that we know to move on to the next step."
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 4,
+     "metadata": {},
+     "source": [
+      "Was this annoying?"
+     ]
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "Raise your hand if you felt like this exercise was repetitive...TODO"
+     ]
+    },
     {
      "cell_type": "heading",
      "level": 2,