diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index 01257d4..f279083 100755
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -32,7 +32,7 @@
     "    \"\"\"\n",
     "    \n",
     "    # your code here\n",
-    "    "
+    "    x = lambda lst: lst"
    ]
   },
   {
@@ -46,11 +46,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "# your code here\n",
+    "kelvin = lambda c: c + 273.15"
    ]
   },
   {
@@ -62,13 +63,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[285.15, 296.15, 311.15, 218.14999999999998, 297.15]\n"
+     ]
+    }
+   ],
    "source": [
     "temps = [12, 23, 38, -55, 24]\n",
     "\n",
-    "# your code here"
+    "# your code here\n",
+    "conversion = list(map(kelvin, temps))\n",
+    "print(conversion)"
    ]
   },
   {
@@ -82,13 +93,41 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 62,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "# your code here\n",
+    "def division(x, y):    \n",
+    "    mod = lambda x, y: True if x % y == 0 else False\n",
+    "    return mod"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 65,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<function division.<locals>.<lambda> at 0x0000028C415C80D0>\n"
+     ]
+    }
+   ],
+   "source": [
+    "z = division(2, 2)\n",
+    "print(z)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -111,7 +150,8 @@
     "    divisible by another number (to be passed later) and zero otherwise.\n",
     "    \"\"\"\n",
     "    \n",
-    "    # your code here"
+    "    # your code here\n",
+    "    "
    ]
   },
   {
@@ -206,7 +246,7 @@
     "list1 = ['Green', 'cheese', 'English', 'tomato']\n",
     "list2 = ['eggs', 'cheese', 'cucumber', 'tomato']\n",
     "\n",
-    "# your code here"
+    "# your code here\n"
    ]
   },
   {
@@ -269,7 +309,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.2"
+   "version": "3.8.6"
   }
  },
  "nbformat": 4,