removing problem statements

14 files changed, 149 insertions, 427 deletions

diff --git a/Beginning_C_By_Ivon_Horton/chapter1.ipynb b/Beginning_C_By_Ivon_Horton/chapter1.ipynb
index c989b607..a59448aa 100644
--- a/Beginning_C_By_Ivon_Horton/chapter1.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter1.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:8e3cf2addd66f79ee38d4e50bfee328191c27b60f9cde7a75aa445057c2c6240"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,8 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Very First C Program - Displaying Hello World */\n",
-      "\"\"\"\n",
+      "\n",
+      "\n",
       "\n",
       "print \"Hello world!\"\n"
      ],
@@ -58,9 +58,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Second C Program\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"\\\"If at first you don't succeed, try, try, try again!\\\"\""
      ],
@@ -89,9 +87,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Another Simple C Program - Displaying a Quotation\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Beware the Ides of March!\""
      ],
@@ -120,9 +116,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Displaying Quotation \n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"My formula for success?\\nRise early, work late, strike oil.\\n\""
      ],
@@ -153,9 +147,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Another Simple C Program - Displaying Great Quotations\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"\\\"It is a wise father that knows his own child.\\\"\\nShakespeare\\n\""
      ],
@@ -186,10 +178,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Another Simple C Program - Displaying Great Quotations\n",
-      "note: \\a does not work in python\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Be careful!!\\n \\a\""
      ],
@@ -219,9 +208,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A longer program\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Hi there!\\nThis program is a bit longer than the others.\"\n",
       "print \"But really it's only more text.\\n\\a\\a\"\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter10.ipynb b/Beginning_C_By_Ivon_Horton/chapter10.ipynb
index fd052668..89cc83ed 100644
--- a/Beginning_C_By_Ivon_Horton/chapter10.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter10.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:67a316ecc3def0c634c382410d442033098ecf91839327bce17c0f2bf4424e27"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Exercising formatted input\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys\n",
       "\n",
@@ -234,9 +233,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Characters in the format control string\n",
-      "\"\"\"\n",
       "\n",
       "\n",
       "value_count = 2\n",
@@ -309,11 +305,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Floating-Point Input\n",
-      "note: the way it is given in textbook is not possible in python. Just showing a\n",
-      "sample float input.\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "value_count = 3\n",
       "print \"Enter: 3.14 3.14 3.14\"\n",
@@ -387,9 +379,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Reading hexadecimal and octal values\n",
-      "\"\"\"\n",
       "\n",
       "print \"Enter three integer values: \"\n",
       "n = 3\n",
@@ -459,9 +448,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Reading characters with scanf_s()\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter your first initial: \",\n",
       "initial = raw_input()\n",
@@ -547,9 +534,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Reading a string with gets_s()\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter your first initial: \",\n",
       "initial = raw_input()\n",
@@ -616,9 +601,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Reading and unreading characters\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter a sequence of integers and alphabetic names in a single line(separated by spaces): \",\n",
       "text = raw_input()\n",
@@ -677,9 +660,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Ineger output variations\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "i = 15\n",
       "j = 345\n",
@@ -721,9 +702,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Variations on a single integer\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "k = \"678\"\n",
       "hex_k = int(k, 16)\n",
@@ -762,9 +741,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Outputting floating-point values\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "fp1 = 345.678\n",
       "fp2 = 1.234E6\n",
@@ -803,9 +780,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "print printable characters\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import string\n",
       "\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter11.ipynb b/Beginning_C_By_Ivon_Horton/chapter11.ipynb
index b85dcda1..8bed3984 100644
--- a/Beginning_C_By_Ivon_Horton/chapter11.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter11.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:f5ae274b34f8832ebb766131ce16691aa9f05236c3dacd19d82ce9c6b22fe7d8"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Exercising the horse\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "class Horse:\n",
       "    age = 0\n",
@@ -157,9 +156,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Exercising the horses\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "class Horse:\n",
       "    age = 0\n",
@@ -416,9 +413,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Pointing out the horses\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "class Horse:\n",
       "    age = 0\n",
@@ -586,9 +581,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Daisy chaining the horses\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "class Horse:\n",
       "    age = 0\n",
@@ -764,9 +757,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Daisy chaining the horses both ways\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "first = None\n",
       "current = None\n",
@@ -1034,11 +1025,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Program 11.6, page no. 456\n",
       "\n",
-      "\"\"\"\n",
-      "Basics of a family tree\n",
-      "\"\"\"\n",
       "\n",
       "class Date:\n",
       "    day = 0\n",
@@ -1320,11 +1307,8 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Program 11.7, page no. 466\n",
       "\n",
-      "\"\"\"\n",
-      "binary tree to sort integers\n",
-      "\"\"\"\n",
+      "\n",
       "class Node:\n",
       "    item = 0.0\n",
       "    count = 0\n",
@@ -1622,9 +1606,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "The operation of a union\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def print_date(date):\n",
       "    if date.format == 0:\n",
@@ -1709,11 +1691,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Program 11.9, page no. 482\n",
       "\n",
-      "\"\"\"\n",
-      "Generating a Bar chart\n",
-      "\"\"\"\n",
       "\n",
       "import numpy\n",
       "import sys\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter12.ipynb b/Beginning_C_By_Ivon_Horton/chapter12.ipynb
index 71ea1f1a..b80c0151 100644
--- a/Beginning_C_By_Ivon_Horton/chapter12.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter12.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:792ce9bacf230895f9bb69020ed0a90ab017f7ded1cf3c8298370c217c100f66"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Writing a file a character at a time\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys\n",
       "\n",
@@ -104,9 +103,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "As the saying goes. . .it comes back!\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "proverbs = [\"Many a mickle makes a muckle.\\n\",\n",
       "            \"Too many cooks spoil the broth.\\n\",\n",
@@ -198,9 +195,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Messing about with formatted file I/O\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys\n",
       "\n",
@@ -278,11 +273,9 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Program 12.4, page no. 514\n",
       "\n",
-      "\"\"\"\n",
-      "A prime example using binary files\n",
-      "\"\"\"\n",
+      "\n",
+      "\n",
       "\n",
       "import math\n",
       "import sys\n",
@@ -412,11 +405,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Program 12.5, page no. 523\n",
       "\n",
-      "\"\"\"\n",
-      "Investigating the family.\n",
-      "\"\"\"\n",
       "\n",
       "class Date:\n",
       "    day = 0\n",
@@ -512,11 +501,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Program 12.6, page no. 531\n",
       "\n",
-      "\"\"\"\n",
-      "Writing a binary file with an update mode\n",
-      "\"\"\"\n",
       "\n",
       "MAXLEN = 50\n",
       "\n",
@@ -564,11 +549,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Program 12.7, page no. 545\n",
       "\n",
-      "\"\"\"\n",
-      "Writing, reading and updating a binary file\n",
-      "\"\"\"\n",
       "\n",
       "class Record:\n",
       "    name = \"\"\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter13.ipynb b/Beginning_C_By_Ivon_Horton/chapter13.ipynb
index 8a2ffbe5..6169215b 100644
--- a/Beginning_C_By_Ivon_Horton/chapter13.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter13.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:a9141c3e95bf9510ebd3627775c232beb902109a956e0bd2f7e906b08fe40884"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Demonstrating assertions\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "y = 5\n",
       "for x in range(20):\n",
@@ -76,9 +75,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Test our timer function\n",
-      "\"\"\"\n",
       "\n",
       "import time\n",
       "import datetime\n",
@@ -175,9 +171,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Getting date data with ease\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "from datetime import *\n",
       "import time\n",
@@ -228,9 +222,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Getting the day for a given date\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "from datetime import *\n",
       "import time\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter14.ipynb b/Beginning_C_By_Ivon_Horton/chapter14.ipynb
index 42a4f7a7..c351c6f1 100644
--- a/Beginning_C_By_Ivon_Horton/chapter14.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter14.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:275b458b34ae91067224e50705db107812d45fc58e5291ede57a7d2fe00a2167"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Classifying wide characters\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import string\n",
       "import sys\n",
@@ -89,9 +88,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Finding occurrences of one wide character string in another\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter a string of less than 100 characters: \",\n",
       "text = raw_input()\n",
@@ -170,9 +167,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Working with complex numbers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "cx = 1.0 + 3.0j\n",
       "cy = 1.0 - 4.0j\n",
@@ -224,9 +219,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Joining threads\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "from threading import Thread\n",
       "\n",
@@ -283,9 +276,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Thread operations\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "from threading import Thread\n",
       "import math\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter2.ipynb b/Beginning_C_By_Ivon_Horton/chapter2.ipynb
index 7e4b1bf3..c8739188 100644
--- a/Beginning_C_By_Ivon_Horton/chapter2.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter2.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:62d8fc451396635cdeab5f4f92b23401a31f7b72236a9f3ecb8a6d1a87f20612"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "What is a Variable?\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"My salary is $10000\""
      ],
@@ -58,9 +57,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using a variable\n",
-      "\"\"\"\n",
+      "\n",
       " \n",
       "salary = 10000; #Declare and store 10000 in variable called salary\n",
       "print \"My salary is %d.\" %salary"
@@ -90,9 +87,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using more variables\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "brothers = 7 #declaring variable & storing value\n",
       "brides = 7 #declaring variable & storing value\n",
@@ -124,9 +119,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Program 2.4 Simple calculations\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "cats = 2\n",
       "dogs = 1\n",
@@ -163,9 +156,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Calculations with cookies\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "cookies = 5\n",
       "cookie_calories = 125\n",
@@ -210,9 +201,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Cookies and kids\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "cookies = 45\n",
       "children = 7\n",
@@ -254,9 +243,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Division with float values\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "plank_length = 10.0\n",
       "piece_count = 4.0\n",
@@ -291,9 +278,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "calculations on a table\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "radius = 0.0\n",
       "diameter = 0.0\n",
@@ -354,9 +339,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "More round tables\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "PI = 3.14159\n",
       " \n",
@@ -419,9 +402,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Round tables again but shorter\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "diameter = 0.0\n",
       "radius = 0.0\n",
@@ -478,12 +459,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Data Types\n",
-      "Note: there is no long double, or float double or double range or short.\n",
-      "Also, the size of data types my defer compared to c & there is no limit so we\n",
-      "have skipped example 2.11 of this chapter\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys \n",
       "\n",
@@ -520,10 +496,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Choosing the correct type for the job\n",
-      "note: there won't be any error as said in the book, hence, skipping 2.14\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "Revenue_Per_150 = 4.5\n",
       "JanSold = 23500\n",
@@ -572,9 +545,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Characters and numbers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "first = 'T'\n",
       "second = 63\n",
@@ -613,9 +584,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using type char\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "first = 'A'\n",
       "second = 'B'\n",
@@ -658,9 +627,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Calculating the height of a tree\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "shorty = 0.0\n",
       "lofty = 0.0\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter3.ipynb b/Beginning_C_By_Ivon_Horton/chapter3.ipynb
index 49245eb1..74bd1aaf 100644
--- a/Beginning_C_By_Ivon_Horton/chapter3.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter3.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:395f91f52f5165130592aef7f92afdbea52f690b93426a4caf3da2a8b3404bd6"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A simple example of the if statement\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "number = 0;\n",
       "print \"\\nEnter an integer between 1 and 10: \",\n",
@@ -82,9 +81,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using if statements to decide on a discount\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "unit_price = 3.50\n",
       "print \"Enter the number that you want to buy: \", \n",
@@ -137,10 +134,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using nested ifs to analyze numbers\n",
-      "note: no need of LONG_MAX as there is no limit in python for an integer value\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "test = 0.0\n",
       "print \"Enter an integer: \",\n",
@@ -196,9 +190,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Converting uppercase to lowercase\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter an uppercase letter:\",\n",
       "letter = raw_input()\n",
@@ -249,9 +241,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Testing letters an easier way\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter an uppercase letter:\",\n",
       "letter = raw_input()\n",
@@ -301,9 +291,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Multiple Discount Levels\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "unit_price = 3.50\n",
       "discount1 = 0.05\n",
@@ -365,9 +353,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A confused recruiting policy \n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "age = 0\n",
       "college = 0\n",
@@ -465,10 +451,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Lucky Lotteries\n",
-      "note: there is no switch statement in Python\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Pick a number between 1 and 10 and you may win a prize! \",\n",
       "choice = int(raw_input())\n",
@@ -527,9 +510,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Testing cases\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter Y or N: \",\n",
       "answer = raw_input()\n",
@@ -581,9 +562,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Excercising bitwise operator\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "original = 0xABC\n",
       "result = 0\n",
@@ -627,9 +606,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A calculator\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter the calculation\\n\",\n",
       "number1 = float(raw_input(\"Enter first number: \"))\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter4.ipynb b/Beginning_C_By_Ivon_Horton/chapter4.ipynb
index 1dd29164..72f009be 100644
--- a/Beginning_C_By_Ivon_Horton/chapter4.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter4.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:4c41735fb67bb40797fc8ec99d1c0b5c81a6828d699e86fe05c05b6962ed94db"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "List ten integers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "for count in range (1, 11):\n",
       "    print count,\n",
@@ -61,9 +60,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Drawing a box\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"**************\"\n",
       "for count in range(1, 9):\n",
@@ -104,9 +101,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Sum the integers from 1 to a user-specified number\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "sum = 0\n",
       "\n",
@@ -158,11 +153,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Sum the integers from 1 to a user-specified number (compact version)\n",
-      "note: the way specified in book is not possible in Python, it will be same as\n",
-      "previous progam\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "sum = 0\n",
       "\n",
@@ -214,9 +205,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "summing the integers backward\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "sum = 0\n",
       "\n",
@@ -266,10 +255,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "The almost indefinite loop - computing an average\n",
-      "note: there cannot be infinit for loop in python, we will use while loop\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"This program calculates the average of any number of values.\"\n",
       "total = 0\n",
@@ -406,9 +392,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A Guessing Game\n",
-      "\"\"\"\n",
+      "\n",
       "import sys\n",
       "\n",
       "chosen = 15\n",
@@ -515,9 +499,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A More Interesting Guessing Game\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "from random import *\n",
       "\n",
@@ -624,9 +606,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "While programming and summing integers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "sum = 0\n",
       "i = 1\n",
@@ -680,9 +660,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Output a box with given width and height\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "MIN_SIZE = 3;\n",
       " \n",
@@ -768,9 +746,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Sums of successive integer sequences\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "sum = 0\n",
       "count = 0\n",
@@ -836,9 +812,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Sums of integers with a while loop nested in a for loop\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter the number of integers you want to sum: \",\n",
       "count = int(raw_input())\n",
@@ -905,9 +879,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Reversing the digits\n",
-      "\"\"\"\n",
+      "\n",
       "rebmun = 0\n",
       "print \"\\nEnter a positive integer: \",\n",
       "number = int(raw_input())\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter5.ipynb b/Beginning_C_By_Ivon_Horton/chapter5.ipynb
index 3b34352d..8e195f37 100644
--- a/Beginning_C_By_Ivon_Horton/chapter5.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter5.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:a29cdeb847e548d8c74cdb11f8f6f17380a9a763c13e45e4e17605b4ec6cf4a6"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Averaging ten grades without storing them\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "count = 10\n",
       "sum = 0\n",
@@ -217,9 +216,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Averaging ten grades - storing values the hard way\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "sum = 0\n",
       "average = 0.0\n",
@@ -361,9 +358,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Averaging ten grades - storing the values the easy way\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "grades = []\n",
       "count = 10\n",
@@ -394,9 +389,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Reusing the numbers stored\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "grades = []\n",
       "count = 10\n",
@@ -599,9 +592,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using the & operator\n",
-      "\"\"\"\n",
+      "\n",
       "import sys\n",
       "\n",
       "a = 1\n",
@@ -652,9 +643,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Know your hat size - if you dare...\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "size = [['6', '6', '6', '6', '7', '7', '7', '7', '7', '7', '7', '7'],\n",
       "        ['1', '5', '3', '7', ' ', '1', '1', '3', '1', '5', '3', '7'],\n",
@@ -720,9 +709,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Averaging a variable number of grades\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter the number of grades: \",\n",
       "nGrades = int(raw_input())\n",
@@ -864,9 +851,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Tic-Tac-Toe\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "player = 0\n",
       "winner = 0\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter6.ipynb b/Beginning_C_By_Ivon_Horton/chapter6.ipynb
index fdf576c5..c05d45c7 100644
--- a/Beginning_C_By_Ivon_Horton/chapter6.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter6.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:cc6cd32b3760ef9f8d727f2cbad62d4127abffa00d3c9ad693debfc7914ad190"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Displaying a string\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"The character \\\\0 is used to terminate a string.\""
      ],
@@ -58,9 +57,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Lengths\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "str1 = \"To be or not to be\"\n",
       "str2 = \",that is a question\"\n",
@@ -94,9 +91,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Arrays of strings\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "str1 = \"Computers do what you tell them to do, not what you want them to do.\"\n",
       "str2 = \"When you put something in memory, remember where you put it.\"\n",
@@ -147,9 +142,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Joining strings\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "preamble = \"The joke is: \"\n",
       "str1 = \"My dog hasn\\'t got any nose.\\n\"\n",
@@ -189,9 +182,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Comparing strings\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Type in the first word (maximum 20 characters): \",\n",
       "word1 = raw_input()\n",
@@ -219,9 +210,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A demonstration of seeking and finding\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "str1 = \"This string contains the holy grail.\"\n",
       "str2 = \"the holy grail\"\n",
@@ -265,10 +254,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Find all the words\n",
-      "note: program 7A in the book will remain same in Python\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter some prose that is less than 1000 characters (go on typing hit enter to terminate):\"\n",
       "str1 = raw_input()\n",
@@ -344,9 +330,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Testing characters in a string\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "\n",
       "nLetters = 0\n",
@@ -407,9 +391,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Finding occurrences of one string in another\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter the string to be searched (less than 100 characters): \",\n",
       "text = raw_input()\n",
@@ -481,9 +463,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Analyzing Text\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import numpy\n",
       "\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter7.ipynb b/Beginning_C_By_Ivon_Horton/chapter7.ipynb
index 7a7e0247..e46960ce 100644
--- a/Beginning_C_By_Ivon_Horton/chapter7.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter7.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:711ef8d09307cb9b16d63b16134924968e61ecb1c05fd7745b7d89ba9bc4ac32"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,10 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A simple program using pointers\n",
-      "note: there are no pointers in Python.\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys\n",
       "\n",
@@ -74,9 +72,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "What's the pointer of it all\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "num1 = 0\n",
       "num2 = 0\n",
@@ -115,10 +111,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using pointer arguments to scanf_s\n",
-      "note: in Python you cannot use pointers to input a value\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Input an integer: \",\n",
       "value = int(raw_input())\n",
@@ -164,9 +157,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Arrays and pointers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "multiple = ['M', 'y','s','t', 'r', 'i', 'n', 'g']\n",
       " \n",
@@ -201,9 +192,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Incrementing a pointer to an array\n",
-      "\"\"\"\n",
       "\n",
       "multiple = \"a string\"\n",
       "p = multiple\n",
@@ -243,9 +231,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Incrementing a pointer to an array of integers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys\n",
       "\n",
@@ -286,9 +272,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Two-dimensional arrays and pointers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "board = [['1','2','3'],\n",
       "         ['4','5','6'],\n",
@@ -324,9 +308,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Two-dimensional arrays and pointers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "board = [['1','2','3'],\n",
       "         ['4','5','6'],\n",
@@ -363,9 +345,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Getting values in a two-dimensional array\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "board = [['1','2','3'],\n",
       "         ['4','5','6'],\n",
@@ -408,9 +388,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Multidimensional arrays and pointers\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "board = [['1','2','3'],\n",
       "         ['4','5','6'],\n",
@@ -453,9 +431,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Understand pointers to your hat size - if you dare\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "size = [['6', '6', '6', '6', '7', '7', '7', '7', '7', '7', '7', '7'],\n",
       "        ['1', '5', '3', '7', ' ', '1', '1', '3', '1', '5', '3', '7'],\n",
@@ -521,10 +497,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A dynamic prime example\n",
-      "note: program 7.12 will remain same\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "pPrimes = []\n",
       "found = False\n",
@@ -600,9 +573,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Extending dynamically allocated memory for strings\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys\n",
       "\n",
@@ -681,9 +652,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Using array notation with pointers to sort strings\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"Enter strings to be sorted, separated by '.' Press Enter to end: \"\n",
       "text = raw_input()\n",
@@ -741,9 +710,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "An improved calculator\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "print \"To use this calculator, enter any expression with or without spaces.\"\n",
       "print \"An expression may include the operators\"\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter8.ipynb b/Beginning_C_By_Ivon_Horton/chapter8.ipynb
index 548884d6..2b0cdc0b 100644
--- a/Beginning_C_By_Ivon_Horton/chapter8.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter8.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:3fbbd33189f83aa6d0187f308c759f69619a009cb3b8fae3f4a0ad98df7c2c47"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Scoping out scope\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "count1 = 1\n",
       "\n",
@@ -116,9 +115,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Calculating an average using functions\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def Sum(x, n):\n",
       "    sum = 0.0\n",
@@ -224,9 +221,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "The functional approach to string sorting\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def sort_string(text):\n",
       "    dot_separated = text.split('.')\n",
@@ -284,9 +279,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A function to increase your pay\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def IncomePlus(pPay):\n",
       "    pPay += 10000\n",
@@ -324,9 +317,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A function to increase your pay that doesn't\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def IncomePlus(pPay):\n",
       "    pPay += 10000\n",
diff --git a/Beginning_C_By_Ivon_Horton/chapter9.ipynb b/Beginning_C_By_Ivon_Horton/chapter9.ipynb
index d7adce09..6b5e2864 100644
--- a/Beginning_C_By_Ivon_Horton/chapter9.ipynb
+++ b/Beginning_C_By_Ivon_Horton/chapter9.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:6ada72776bf91dd75540d29fecfeda6a5cab8bde3c866cd455973111367e4933"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,9 +28,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Pointing to functions\n",
-      "\"\"\"\n",
       "\n",
       "def sum(x, y):\n",
       "    return x + y\n",
@@ -79,9 +77,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Arrays of Pointers to functions\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def sum(x, y):\n",
       "    return x + y\n",
@@ -135,9 +131,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Passing a Pointer to a function\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def sum(x, y):\n",
       "    return x + y\n",
@@ -187,10 +181,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Static versus automatic variables\n",
-      "note: there is no static in python. Output will be different from book.\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def test1():\n",
       "    count = 0\n",
@@ -240,10 +231,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Global variables\n",
-      "note: output will vary from textbook because of static variable\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "count = 0\n",
       "\n",
@@ -295,9 +283,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Calculating factorials using recursion\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def factorial(n):\n",
       "    if(n < 2):\n",
@@ -348,10 +334,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "Calculating an average using variable argument lists\n",
-      "note: output will vary from that given in textbook\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "def average(*arg):\n",
       "    sum = arg[0] + arg[1]\n",
@@ -399,9 +382,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "A program to list the command line arguments\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "import sys\n",
       "\n",
@@ -440,9 +421,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "\"\"\"\n",
-      "REVERSI An Othello type game\n",
-      "\"\"\"\n",
+      "\n",
       "\n",
       "SIZE = 6\n",
       "comp_c = '@'\n",