diff --git a/Functions.ipynb b/Functions.ipynb
index df58b4c..721bc56 100644
--- a/Functions.ipynb
+++ b/Functions.ipynb
@@ -78,10 +78,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 7,
+   "metadata": {},
    "outputs": [],
    "source": [
     "#this function adds two numbers passed as parameters\n",
@@ -128,9 +126,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 8,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'helloworld'"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "add (\"hello\", \"world\") # ooops this is weird!!"
    ]
@@ -208,23 +217,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 47,
+   "metadata": {},
    "outputs": [],
    "source": [
     "# subtract function \n",
-    "\n",
+    "def subtract(a,b):\n",
+    "    return(a-b)\n",
     "# floorDivide function\n",
-    "\n",
+    "def floorDivide(a,b):\n",
+    "    return(a/b)\n",
     "# divide function\n",
-    "\n",
+    "def divide(a,b):\n",
+    "    return(a//b)\n",
     "# multiply function\n",
-    "\n",
+    "def multiply(a,b):\n",
+    "    return(a*b)\n",
     "# getRemainder function\n",
-    "\n",
-    "# power function"
+    "def getRemainder(a,b):\n",
+    "    return(a%b)\n",
+    "# power function\n",
+    "def power(a,b):\n",
+    "    return(a**2)"
    ]
   },
   {
@@ -238,10 +252,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 39,
+   "metadata": {},
    "outputs": [],
    "source": [
     "assert add(4,5)==9, \"add function not working\""
@@ -249,10 +261,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 40,
+   "metadata": {},
    "outputs": [],
    "source": [
     "assert subtract(4,5)==-1, \"subtract function not working\""
@@ -260,10 +270,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 42,
+   "metadata": {},
    "outputs": [],
    "source": [
     "assert multiply(4,5)==20, \"multiply function not working\""
@@ -271,10 +279,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 49,
+   "metadata": {},
    "outputs": [],
    "source": [
     "assert divide(5,5)==1.0, \"divide function not working\""
@@ -282,10 +288,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 48,
+   "metadata": {},
    "outputs": [],
    "source": [
     "assert floorDivide(1,2)==0.5, \"floor divide function not working\""
@@ -293,10 +297,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 45,
+   "metadata": {},
    "outputs": [],
    "source": [
     "assert getRemainder(5,4)==1, \"getRemainder function not working\""
@@ -304,14 +306,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "execution_count": 46,
+   "metadata": {},
    "outputs": [],
    "source": [
     "assert power(3,2)==9, \"power function not working\""
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {