diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index 01257d4..9d545b2 100755
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -30,8 +30,7 @@
     "    Input: list and lambda expression\n",
     "    Output: the transformed list\n",
     "    \"\"\"\n",
-    "    \n",
-    "    # your code here\n",
+    "    return [lmbda(elem) for elem in lst]\n",
     "    "
    ]
   },
@@ -46,11 +45,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "lmbda_func = lambda x: x + 273.15"
    ]
   },
   {
@@ -62,13 +61,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[285.15, 296.15, 311.15, 218.14999999999998, 297.15]"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "temps = [12, 23, 38, -55, 24]\n",
     "\n",
-    "# your code here"
+    "modify_list(temps,lmbda_func)"
    ]
   },
   {
@@ -82,11 +92,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "mod = lambda x,y : 1 if x%y == 0 else 0"
    ]
   },
   {
@@ -100,7 +110,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -110,8 +120,7 @@
     "    Output: a function that returns 1 if the number is \n",
     "    divisible by another number (to be passed later) and zero otherwise.\n",
     "    \"\"\"\n",
-    "    \n",
-    "    # your code here"
+    "    return lambda y : 1 if y%b == 0 else 0"
    ]
   },
   {
@@ -123,11 +132,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "divisible5 = divisor(5)"
    ]
   },
   {
@@ -139,18 +148,40 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 7,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "1"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "divisible5(10)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 8,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "divisible5(8)"
    ]
@@ -168,7 +199,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [
     {
@@ -177,7 +208,7 @@
        "[(1,), (2,), (3,), (4,), (5,)]"
       ]
      },
-     "execution_count": 10,
+     "execution_count": 9,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -199,14 +230,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 13,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[('Green', 'eggs'),\n",
+       " ('cheese', 'cheese'),\n",
+       " ('English', 'cucumber'),\n",
+       " ('tomato', 'tomato')]"
+      ]
+     },
+     "execution_count": 13,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "list1 = ['Green', 'cheese', 'English', 'tomato']\n",
     "list2 = ['eggs', 'cheese', 'cucumber', 'tomato']\n",
     "\n",
-    "# your code here"
+    "[x for x in zip(list1,list2)]"
    ]
   },
   {
@@ -222,14 +267,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 16,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[('Political Science', 'Essay'), ('Computer Science', 'Homework'), ('Engineering', 'Lab'), ('Mathematics', 'Module')]\n"
+     ]
+    }
+   ],
    "source": [
     "list1 = ['Engineering', 'Computer Science', 'Political Science', 'Mathematics']\n",
     "list2 = ['Lab', 'Homework', 'Essay', 'Module']\n",
     "\n",
-    "# your code here"
+    "zipped_list = list(zip(list1,list2))\n",
+    "zipped_list.sort(key = lambda pair: pair[1][0])\n",
+    "print(zipped_list)"
    ]
   },
   {
@@ -243,13 +298,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 19,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[('Toyota', 1995), ('Honda', 1997), ('Audi', 2001), ('BMW', 2005)]\n"
+     ]
+    }
+   ],
    "source": [
     "d = {'Honda': 1997, 'Toyota': 1995, 'Audi': 2001, 'BMW': 2005}\n",
-    "\n",
-    "# your code here"
+    "dict_list = list(d.items())\n",
+    "dict_list.sort(key = lambda pair: pair[1])\n",
+    "print(dict_list)"
    ]
   }
  ],
@@ -269,7 +333,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.2"
+   "version": "3.8.3"
   }
  },
  "nbformat": 4,