u18

Author: jmportilla

.ipynb_checkpoints/Decorators-checkpoint.ipynb

@@ -4,7 +4,55 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "#Decorators"
+    "#Decorators\n",
+    "Before getting started with Decorators, a quick reminder from the Lecture on Nested Statements and Scopes, functions are objects and can be assigned labels.Lets look a t quick example of assigning a label to a function in order to pass it into another function:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3\n"
+     ]
+    }
+   ],
+   "source": [
+    "def is_even(num):\n",
+    "    \"\"\"Return True if number is even.\"\"\"\n",
+    "    return (num % 2) == 0\n",
+    "\n",
+    "def count_occurrences(input_list, func):\n",
+    "    \"\"\"Return the number of times func returns Ture for a list\"\"\" \n",
+    "    return sum([1 for item in input_list if func(item)])\n",
+    "\n",
+    "func = is_even\n",
+    "lst = [1,2,3,4,5,6]\n",
+    "\n",
+    "print count_occurrences(lst, func)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "https://www.jeffknupp.com/blog/2013/11/29/improve-your-python-decorators-explained/\n",
+    "http://simeonfranklin.com/blog/2012/jul/1/python-decorators-in-12-steps/"
    ]
   },
   {

Decorators.ipynb

@@ -4,7 +4,55 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "#Decorators"
+    "#Decorators\n",
+    "Before getting started with Decorators, a quick reminder from the Lecture on Nested Statements and Scopes, functions are objects and can be assigned labels.Lets look a t quick example of assigning a label to a function in order to pass it into another function:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3\n"
+     ]
+    }
+   ],
+   "source": [
+    "def is_even(num):\n",
+    "    \"\"\"Return True if number is even.\"\"\"\n",
+    "    return (num % 2) == 0\n",
+    "\n",
+    "def count_occurrences(input_list, func):\n",
+    "    \"\"\"Return the number of times func returns Ture for a list\"\"\" \n",
+    "    return sum([1 for item in input_list if func(item)])\n",
+    "\n",
+    "func = is_even\n",
+    "lst = [1,2,3,4,5,6]\n",
+    "\n",
+    "print count_occurrences(lst, func)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "https://www.jeffknupp.com/blog/2013/11/29/improve-your-python-decorators-explained/\n",
+    "http://simeonfranklin.com/blog/2012/jul/1/python-decorators-in-12-steps/"
    ]
   },
   {