diff --git a/your-code/main.ipynb b/your-code/Lambda Lab.ipynb
old mode 100755
new mode 100644
similarity index 71%
rename from your-code/main.ipynb
rename to your-code/Lambda Lab.ipynb
index 01257d4..bf3f7ad
--- a/your-code/main.ipynb
+++ b/your-code/Lambda Lab.ipynb	
@@ -23,16 +23,28 @@
    "cell_type": "code",
    "execution_count": 1,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[1, 4, 9, 16, 25]"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "def modify_list(lst, lmbda):\n",
     "    \"\"\"\n",
     "    Input: list and lambda expression\n",
     "    Output: the transformed list\n",
     "    \"\"\"\n",
-    "    \n",
-    "    # your code here\n",
-    "    "
+    "ls = [1, 2, 3, 4, 5]\n",
+    "\n",
+    "list(map(lambda x: x**2, ls))\n",
+    "\n"
    ]
   },
   {
@@ -46,11 +58,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 10,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<function __main__.<lambda>(x)>"
+      ]
+     },
+     "execution_count": 10,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# your code here"
+    "# your code here\n",
+    "lambda x: x + 273.15"
    ]
   },
   {
@@ -62,13 +86,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 6,
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[285.15, 296.15, 311.15, 218.14999999999998, 297.15]"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "temps = [12, 23, 38, -55, 24]\n",
     "\n",
-    "# your code here"
+    "# your code here\n",
+    "list(map(lambda x: x + 273.15, temps))"
    ]
   },
   {
@@ -82,11 +120,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "# your code here\n",
+    "mod = lambda x, y: 1 if x%y == 0 else 0 "
    ]
   },
   {
@@ -100,9 +139,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 18,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<function __main__.divisor.<locals>.<lambda>(x, y)>"
+      ]
+     },
+     "execution_count": 18,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "def divisor(b):\n",
     "    \"\"\"\n",
@@ -111,7 +161,11 @@
     "    divisible by another number (to be passed later) and zero otherwise.\n",
     "    \"\"\"\n",
     "    \n",
-    "    # your code here"
+    "    # your code here\n",
+    "    mod = lambda x, y: 1 if x%y == 0 else 0\n",
+    "    return mod\n",
+    "\n",
+    "divisor(5)"
    ]
   },
   {
@@ -123,11 +177,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 17,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<function __main__.divisor.<locals>.<lambda>(x, y)>"
+      ]
+     },
+     "execution_count": 17,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# your code here"
+    "# your code here\n",
+    "divisor(5)"
    ]
   },
   {
@@ -269,7 +335,49 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.2"
+   "version": "3.8.3"
+  },
+  "toc": {
+   "base_numbering": 1,
+   "nav_menu": {},
+   "number_sections": true,
+   "sideBar": true,
+   "skip_h1_title": false,
+   "title_cell": "Table of Contents",
+   "title_sidebar": "Contents",
+   "toc_cell": false,
+   "toc_position": {},
+   "toc_section_display": true,
+   "toc_window_display": false
+  },
+  "varInspector": {
+   "cols": {
+    "lenName": 16,
+    "lenType": 16,
+    "lenVar": 40
+   },
+   "kernels_config": {
+    "python": {
+     "delete_cmd_postfix": "",
+     "delete_cmd_prefix": "del ",
+     "library": "var_list.py",
+     "varRefreshCmd": "print(var_dic_list())"
+    },
+    "r": {
+     "delete_cmd_postfix": ") ",
+     "delete_cmd_prefix": "rm(",
+     "library": "var_list.r",
+     "varRefreshCmd": "cat(var_dic_list()) "
+    }
+   },
+   "types_to_exclude": [
+    "module",
+    "function",
+    "builtin_function_or_method",
+    "instance",
+    "_Feature"
+   ],
+   "window_display": false
   }
  },
  "nbformat": 4,