diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index 1ecb24d..4655deb 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -34,11 +34,43 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here\n"
+    "# your code here\n",
+    "def modify_list(lis,lam):\n",
+    "    emp=[lam(i) for i in lis]\n",
+    "    ## You can also.\n",
+    "    for i in range(len(emp2)):\n",
+    "        emp2.append(lam(lis(i)))\n",
+    "    return emp\n",
+    "\n",
+    "\n",
+    "my_list = [1,3,5,4,8,9,6,1,6,5]\n",
+    "egg =lambda x: x+2\n",
+    "emp2 = []\n",
+    "    "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[3, 5, 7, 6, 10, 11, 8, 3, 8, 7]"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "modify_list(my_list,egg)"
    ]
   },
   {
@@ -52,11 +84,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here:\n"
+    "# Your code here:\n",
+    "kel=lambda x: x+273.15\n"
    ]
   },
   {
@@ -68,13 +101,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 11,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[285.15, 296.15, 311.15, 218.14999999999998, 297.15]"
+      ]
+     },
+     "execution_count": 11,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "temps = [12, 23, 38, -55, 24]\n",
     "\n",
-    "# Your code here:\n"
+    "# Your code here:\n",
+    "[kel(i) for i in temps]\n"
    ]
   },
   {
@@ -88,11 +133,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 106,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here:\n"
+    "# Your code here:\n",
+    "mod=lambda a: ((a/b)*0)+1 if a%b==0 else (a/b)*0"
    ]
   },
   {
@@ -106,16 +152,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 107,
    "metadata": {},
    "outputs": [],
    "source": [
-    "def divisor(a):\n",
-    "    \"\"\"\n",
-    "    input: a number\n",
-    "    output: a function that returns 1 if the number is divisible by another number (to be passed later) and zero otherwise\n",
-    "    \"\"\"\n",
-    "    # Your code here:\n"
+    "def divisor(b):\n",
+    "    mod=lambda a: ((a/b)*0)+1 if a%b==0 else (a/b)*0\n",
+    "    return mod\n"
    ]
   },
   {
@@ -127,11 +170,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 108,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here:\n"
+    "divisible5= divisor(5)"
    ]
   },
   {
@@ -143,18 +186,40 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 109,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "1.0"
+      ]
+     },
+     "execution_count": 109,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "divisible5(10)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 110,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0.0"
+      ]
+     },
+     "execution_count": 110,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "divisible5(8)"
    ]
@@ -209,17 +274,37 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 136,
    "metadata": {},
    "outputs": [],
    "source": [
     "list1 = [1,2,4,4]\n",
     "list2 = [2,3,3,5]\n",
     "## Zip the lists together \n",
-    "\n",
+    "zippy=zip(list1,list2)\n",
     "## Print the zipped list \n",
-    "\n",
-    "## Use a lambda expression to compare if: list1 element > list2 element\n"
+    "zippy =list(zippy)\n",
+    "zipup=lambda z: [(i[0]>i[1])for i in z]\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 137,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[False, False, True, False]"
+      ]
+     },
+     "execution_count": 137,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "zipup(zippy)"
    ]
   },
   {
@@ -242,14 +327,31 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 148,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[('Political Science', 'Essay'),\n",
+       " ('Computer Science', 'Homework'),\n",
+       " ('Engineering', 'Lab'),\n",
+       " ('Mathematics', 'Module')]"
+      ]
+     },
+     "execution_count": 148,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "list1 = ['Engineering', 'Computer Science', 'Political Science', 'Mathematics']\n",
     "list2 = ['Lab', 'Homework', 'Essay', 'Module']\n",
     "\n",
-    "# Your code here:\n"
+    "# Your code here:\n",
+    "task= list(zip(list1,list2))\n",
+    "task.sort(key=lambda x: x[1])\n",
+    "task"
    ]
   },
   {
@@ -263,26 +365,42 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 157,
    "metadata": {},
    "outputs": [],
    "source": [
     "d = {'Honda': 1997, 'Toyota': 1995, 'Audi': 2001, 'BMW': 2005}\n",
     "\n",
-    "# Your code here:\n"
+    "# Your code here:"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 170,
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'Toyota': 1995, 'Honda': 1997, 'Audi': 2001, 'BMW': 2005}"
+      ]
+     },
+     "execution_count": 170,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "myzip=list(zip(list(d.keys()),list(d.values())))\n",
+    "myzip.sort(key=lambda x: x[1])\n",
+    "d=dict(myzip)\n",
+    "d"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3.9.13 ('Ironhack')",
    "language": "python",
    "name": "python3"
   },
@@ -296,7 +414,12 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.9.13"
+  },
+  "vscode": {
+   "interpreter": {
+    "hash": "985844dc686bf8bc52028a38ef08654e50758646994bdb41b244f06f0e25b2ae"
+   }
   }
  },
  "nbformat": 4,