Updated python basics for loop tutorial for the final version of the video

Author: mGalarnyk

Python_Basics/Intro/.ipynb_checkpoints/PythonBasicsForLoops-checkpoint.ipynb

@@ -11,7 +11,8 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "For loops are a common way to iterate over the elements of a list </br>"
+    "For loops are a common way to iterate over the elements of an object (in this first example, a list)<br>\n",
+    "Any object with an iterable method can be used in a for loop."
    ]
   },
   {
@@ -30,19 +31,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": [
-    "# Assign list to variable\n",
-    "numbers = [23, 41, 12, 16, 7]"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 57,
    "metadata": {},
    "outputs": [
     {
@@ -53,7 +42,8 @@
       "41\n",
       "12\n",
       "16\n",
-      "7\n"
+      "7\n",
+      "Hi\n"
      ]
     }
    ],
@@ -63,8 +53,9 @@
     "\n",
     "# take the first member of the list (iterable), call it number temporarily do something with it (print it)\n",
     "# take second member of the list (iterable), call it number temporarily do something through and so on...\n",
-    "for number in numbers: \n",
-    "    print(number)"
+    "for number in [23, 41, 12, 16, 7]: \n",
+    "    print(number)\n",
+    "print('Hi')"
    ]
   },
   {
@@ -78,16 +69,26 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "the next() method of the iterator returned by enumerate returns a tuple containing a count for every iteration (from start which defaults to 0) and the values obtained from iterating over sequence:"
+    "Returns a tuple containing a count for every iteration (from start which defaults to 0) and the values obtained from iterating over sequence:"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
+   "execution_count": 43,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0 steve\n",
+      "1 rachel\n",
+      "2 michael\n",
+      "3 adam\n",
+      "4 monica\n"
+     ]
+    }
+   ],
    "source": [
     "friends = ['steve', 'rachel', 'michael', 'adam', 'monica']\n",
     "for index, friend in enumerate(friends):\n",
@@ -105,14 +106,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<b>Calculate the average word length for the following text:</b> </br>\n",
+    "<b>Remove the punctuation from the text and convert the final product to a list:</b> </br>\n",
     "\n",
     "On a dark desert highway, cool wind in my hair Warm smell of colitas, rising up through the air Up ahead in the distance, I saw a shimmering light My head grew heavy and my sight grew dim I had to stop for the night There she stood in the doorway; I heard the mission bell And I was thinking to myself, \"This could be Heaven or this could be Hell\" Then she lit up a candle and she showed me the way"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 62,
    "metadata": {
     "collapsed": true
    },
@@ -123,7 +124,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 63,
    "metadata": {},
    "outputs": [
     {
@@ -147,32 +148,33 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 65,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "On a dark desert highway  cool wind in my hair Warm smell of colitas  rising up through the air Up ahead in the distance  I saw a shimmering light My head grew heavy and my sight grew dim I had to stop for the night There she stood in the doorway; I heard the mission bell And I was thinking to myself   This could be Heaven or this could be Hell  Then she lit up a candle and she showed me the way\n"
+      "On a dark desert highway  cool wind in my hair Warm smell of colitas  rising up through the air Up ahead in the distance  I saw a shimmering light My head grew heavy and my sight grew dim I had to stop for the night There she stood in the doorway  I heard the mission bell And I was thinking to myself   This could be Heaven or this could be Hell  Then she lit up a candle and she showed me the way\n"
      ]
     }
    ],
    "source": [
-    "for char in '-.,\\n\"\\'':\n",
-    "    text =text.replace(char,' ')\n",
+    "for char in '-.,;\\n\"\\'':\n",
+    "    text = text.replace(char,' ')\n",
     "print(text)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "['a',\n",
+       "['On',\n",
+       " 'a',\n",
        " 'dark',\n",
        " 'desert',\n",
        " 'highway',\n",
@@ -193,15 +195,15 @@
        " 'the']"
       ]
      },
-     "execution_count": 8,
+     "execution_count": 9,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
     "# Split converts string to list.\n",
     "# Each item in list is split on spaces\n",
-    "text.split(' ')[1:20]"
+    "text.split(' ')[0:20]"
    ]
   },
   {
@@ -228,7 +230,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 66,
    "metadata": {
     "collapsed": true
    },
@@ -240,7 +242,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 67,
    "metadata": {
     "collapsed": true
    },
@@ -254,13 +256,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 68,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "['a',\n",
+       "['On',\n",
+       " 'a',\n",
        " 'dark',\n",
        " 'desert',\n",
        " 'highway',\n",
@@ -281,13 +284,13 @@
        " 'Up']"
       ]
      },
-     "execution_count": 12,
+     "execution_count": 68,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "cleaned_list[1:20]"
+    "cleaned_list[0:20]"
    ]
   },
   {
@@ -301,34 +304,51 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "continue keyword will move onto the next iteration of the loop <br>\n",
+    "continue statement will move onto the next iteration of the loop <br>\n",
     "continue used for ignoring certain values, but not break out of loop "
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 69,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "[1, 4, 6, 7, 4, 4, 2, 2, 4, 4, 5, 2, 7, 6, 2, 7, 3, 3, 2]"
+       "['a',\n",
+       " 'dark',\n",
+       " 'desert',\n",
+       " 'highway',\n",
+       " 'cool',\n",
+       " 'wind',\n",
+       " 'in',\n",
+       " 'my',\n",
+       " 'hair',\n",
+       " 'Warm',\n",
+       " 'smell',\n",
+       " 'of',\n",
+       " 'colitas',\n",
+       " 'rising',\n",
+       " 'up',\n",
+       " 'through',\n",
+       " 'the',\n",
+       " 'air',\n",
+       " 'Up']"
       ]
      },
-     "execution_count": 13,
+     "execution_count": 69,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "### Continue\n",
     "cleaned_list = []\n",
     "\n",
     "for word in text.split(' '): \n",
     "    if word == '':\n",
     "        continue\n",
-    "    cleaned_list.append(len(word))\n",
+    "    cleaned_list.append(word)\n",
     "cleaned_list[1:20]"
    ]
   },
@@ -343,42 +363,49 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "break keyword will completely break out of loop "
+    "break statement will completely break out of loop "
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 71,
    "metadata": {
     "collapsed": true
    },
    "outputs": [],
    "source": [
-    "### Break and Continue\n",
     "cleaned_list = []"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 72,
    "metadata": {},
    "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "I found the word I was looking for\n"
+     ]
+    },
     {
      "data": {
       "text/plain": [
-       "[2, 1, 4, 6, 7, 0, 4, 4, 2, 2, 4]"
+       "['On', 'a', 'dark']"
       ]
      },
-     "execution_count": 17,
+     "execution_count": 72,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
     "for word in text.split(' '): \n",
-    "    if word == 'Warm':\n",
+    "    if word == 'desert':\n",
+    "        print('I found the word I was looking for')\n",
     "        break\n",
-    "    cleaned_list.append(len(word))\n",
+    "    cleaned_list.append(word)\n",
     "cleaned_list"
    ]
   },
@@ -393,12 +420,12 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "1. Write a Python program which iterates through integers from 1 to 50 (using a for loop). For an integer that is even, append it to the list even_numbers. For an integer that is off, append it the list odd_numbers"
+    "1. Write a Python program which iterates through integers from 1 to 50 (using a for loop). For an integer that is even, append it to the list even_numbers. For an integer that is odd, append it the list odd_numbers"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 75,
    "metadata": {
     "collapsed": true
    },
@@ -417,7 +444,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 76,
    "metadata": {},
    "outputs": [
     {
@@ -434,7 +461,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 77,
    "metadata": {},
    "outputs": [
     {