diff --git a/your-code/challenge-1.ipynb b/your-code/challenge-1.ipynb
index 48f6b46..8da682e 100755
--- a/your-code/challenge-1.ipynb
+++ b/your-code/challenge-1.ipynb
@@ -15,11 +15,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here"
+    "tup = 'I',"
    ]
   },
   {
@@ -33,11 +33,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 2,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<class 'tuple'>\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here"
+    "print(type(tup))"
    ]
   },
   {
@@ -55,13 +63,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "('I', 'r')\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n",
+    "#tup.append('r')\n",
+    "    # It's not possible to append the elements because the 'tuple' object has no attribute 'append'. \n",
+    "    # This means this Class has not a built-in function for self.append() command. It is logical as tuples are wanted to be inmutable.\n",
     "\n",
-    "# Your explanation here\n"
+    "# The correct process to add the elements to 'tup' is to concatenate it with a tuple of the element.\n",
+    "tup = tup + tuple('r')\n",
+    "print(tup)"
    ]
   },
   {
@@ -79,13 +99,26 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 4,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "('o', 'r')\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n",
+    "#tup[0] = 'o',\n",
+    "    # As tuples are intended to be inmutable data structures, 'tuples' object does not support item assignment.\n",
     "\n",
-    "# Your explanation here\n"
+    "# Alternative code (but very different from item assignment) could be:\n",
+    "l_tup = list(tup)\n",
+    "l_tup[0] = 'o'\n",
+    "tup = tuple(l_tup)\n",
+    "print(tup)"
    ]
   },
   {
@@ -103,11 +136,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "('I', 'r', 'o', 'n')\n",
+      "('h', 'a', 'c', 'k')\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "tup = (\"I\", \"r\", \"o\", \"n\", \"h\", \"a\", \"c\", \"k\")\n",
+    "tup1 = tup[:4]\n",
+    "tup2 = tup[-4:]\n",
+    "print(tup1)\n",
+    "print(tup2)"
    ]
   },
   {
@@ -121,11 +167,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 6,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n",
+      "('I', 'r', 'o', 'n', 'h', 'a', 'c', 'k') ('I', 'r', 'o', 'n', 'h', 'a', 'c', 'k')\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "tup3 = tup1 + tup2\n",
+    "print(tup3 == tup)\n",
+    "print(tup3,tup)"
    ]
   },
   {
@@ -137,11 +194,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 7,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "sum_tups = len(tup1) + len(tup2)\n",
+    "print(len(tup3) == sum_tups)"
    ]
   },
   {
@@ -153,11 +219,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 8,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "4"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# Your code here"
+    "tup3.index('h')"
    ]
   },
   {
@@ -177,11 +254,26 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 9,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n",
+      "False\n",
+      "True\n",
+      "False\n",
+      "False\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "letters = [\"a\", \"b\", \"c\", \"d\", \"e\"]\n",
+    "\n",
+    "for let in letters:\n",
+    "    print(let in tup3,)"
    ]
   },
   {
@@ -195,11 +287,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 10,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1\n",
+      "0\n",
+      "1\n",
+      "0\n",
+      "0\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "for let in letters:\n",
+    "    counter = 0\n",
+    "    for i in range(len(tup3)):\n",
+    "        if let == tup3[i]:\n",
+    "            counter = counter+1\n",
+    "    print(counter)"
    ]
   },
   {
@@ -211,11 +320,29 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 11,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "ename": "NameError",
+     "evalue": "name 'p_tup1' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[1;31mNameError\u001b[0m                                 Traceback (most recent call last)",
+      "\u001b[1;32m<ipython-input-11-087260f8dd70>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      3\u001b[0m     \u001b[0mpacked_l\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mappend\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mi\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      4\u001b[0m \u001b[0mpacked_tup\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mtuple\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mpacked_l\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 5\u001b[1;33m \u001b[1;33m(\u001b[0m\u001b[0mp_tup1\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;36m10\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;33m*\u001b[0m\u001b[0mp_tup2\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mp_tup3\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m21\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m)\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mpacked_tup\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m      6\u001b[0m \u001b[1;32mfor\u001b[0m \u001b[0mt\u001b[0m \u001b[1;32min\u001b[0m \u001b[0mp_tup2\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      7\u001b[0m     \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mt\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
+      "\u001b[1;31mNameError\u001b[0m: name 'p_tup1' is not defined"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "packed_l = []\n",
+    "for i in range(100):\n",
+    "    packed_l.append(i)\n",
+    "packed_tup = tuple(packed_l)\n",
+    "(p_tup1[:10], *p_tup2, p_tup3[21:]) = packed_tup\n",
+    "for t in p_tup2:\n",
+    "    print(t)"
    ]
   }
  ],
@@ -235,7 +362,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.8.3"
   }
  },
  "nbformat": 4,
diff --git a/your-code/challenge-2.ipynb b/your-code/challenge-2.ipynb
index ef7bde3..1b3234e 100755
--- a/your-code/challenge-2.ipynb
+++ b/your-code/challenge-2.ipynb
@@ -13,7 +13,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -38,11 +38,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[18, 63, 37, 77, 67, 69, 86, 11, 5, 74, 45, 35, 66, 94, 49, 6, 59, 62, 19, 10, 31, 29, 73, 2, 33, 93, 15, 84, 57, 61, 53, 32, 64, 71, 0, 99, 7, 41, 80, 17, 46, 14, 82, 87, 92, 40, 48, 70, 44, 3, 9, 76, 36, 50, 16, 51, 83, 60, 39, 30, 89, 68, 22, 98, 56, 28, 27, 20, 8, 75, 79, 72, 26, 96, 52, 47, 81, 91, 55, 97]\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "sample_list_1 = random.sample(range(100),80)\n",
+    "print(sample_list_1)"
    ]
   },
   {
@@ -54,11 +63,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "80\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "set1 = set(sample_list_1)\n",
+    "print(len(set1))"
    ]
   },
   {
@@ -77,11 +95,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[9, 27, 21, 46, 13, 98, 55, 41, 7, 93, 61, 61, 73, 45, 9, 58, 32, 9, 83, 37, 10, 77, 72, 98, 89, 9, 38, 56, 72, 1, 12, 96, 33, 76, 97, 74, 18, 77, 69, 79, 50, 33, 26, 20, 25, 8, 72, 3, 46, 9, 76, 87, 39, 71, 78, 99, 80, 7, 42, 78, 76, 0, 99, 68, 77, 37, 15, 42, 75, 47, 10, 46, 78, 47, 21, 65, 77, 30, 51, 24]\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "sample_list_2 = []\n",
+    "for i in range(80):\n",
+    "    sample_list_2.append(random.randrange(100))\n",
+    "print(sample_list_2)"
    ]
   },
   {
@@ -93,11 +122,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "55\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "set2 = set(sample_list_2)\n",
+    "print(len(set2))"
    ]
   },
   {
@@ -109,11 +147,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 6,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{2, 5, 6, 11, 14, 16, 17, 19, 22, 28, 29, 31, 35, 36, 40, 44, 48, 49, 52, 53, 57, 59, 60, 62, 63, 64, 66, 67, 70, 81, 82, 84, 86, 91, 92, 94}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "set3 = set()\n",
+    "for elem in set1:\n",
+    "    if elem not in set2:\n",
+    "        set3.add(elem)\n",
+    "print(set3)"
    ]
   },
   {
@@ -125,11 +175,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 7,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{1, 65, 38, 42, 12, 13, 78, 21, 24, 25, 58}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "set4 = set()\n",
+    "for elem in set2:\n",
+    "    if elem not in set1:\n",
+    "        set4.add(elem)\n",
+    "print(set4)"
    ]
   },
   {
@@ -141,11 +203,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 8,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{0, 3, 7, 8, 9, 10, 15, 18, 20, 26, 27, 30, 32, 33, 37, 39, 41, 45, 46, 47, 50, 51, 55, 56, 61, 68, 69, 71, 72, 73, 74, 75, 76, 77, 79, 80, 83, 87, 89, 93, 96, 97, 98, 99}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "set5 = set()\n",
+    "for elem in set2:\n",
+    "    if elem in set1:\n",
+    "        set5.add(elem)\n",
+    "print(set5)"
    ]
   },
   {
@@ -165,11 +239,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# Your code here\n"
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "80 55 36 11 44\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(len(set1),len(set2),len(set3),len(set4),len(set5))\n",
+    "\n",
+    "# len(set3) + len(set5) == len(set1)\n",
+    "# len(set4) + len(set5) == len(set2)"
    ]
   },
   {
@@ -181,11 +266,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here\n"
+    "set6 = set()"
    ]
   },
   {
@@ -197,11 +282,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 11,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{0, 2, 3, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 22, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40, 41, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55, 56, 57, 59, 60, 61, 62, 63, 64, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 79, 80, 81, 82, 83, 84, 86, 87, 89, 91, 92, 93, 94, 96, 97, 98, 99}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "set6.update(set3,set5)\n",
+    "print(set6)"
    ]
   },
   {
@@ -213,11 +307,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 12,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "print(set1 == set6)"
    ]
   },
   {
@@ -229,11 +331,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 13,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n",
+      "True\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "print(set2.issubset(set1))\n",
+    "print(set1.issuperset(set3))"
    ]
   },
   {
@@ -247,11 +359,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 14,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "u_set1 = set3.union(set4,set5)\n",
+    "u_set2 = set1.union(set2)\n",
+    "print(u_set1 == u_set2)"
    ]
   },
   {
@@ -263,11 +385,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 15,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0"
+      ]
+     },
+     "execution_count": 15,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "set1.pop()"
    ]
   },
   {
@@ -283,11 +416,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 16,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{2, 3, 5, 6, 7, 8, 10, 14, 15, 16, 17, 18, 20, 22, 26, 27, 28, 30, 32, 33, 35, 36, 37, 40, 44, 45, 46, 47, 48, 50, 52, 53, 55, 56, 57, 60, 62, 63, 64, 66, 67, 68, 70, 72, 73, 74, 75, 76, 77, 80, 82, 83, 84, 86, 87, 92, 93, 94, 96, 97, 98}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "list_to_remove = [1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69, 71, 79, 81, 89, 91, 99]\n",
+    "\n",
+    "for elem in list_to_remove:\n",
+    "    if elem in set1:\n",
+    "        set1.remove(elem)\n",
+    "print(set1)"
    ]
   }
  ],
@@ -307,7 +453,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.8.3"
   }
  },
  "nbformat": 4,
diff --git a/your-code/challenge-3.ipynb b/your-code/challenge-3.ipynb
index 74d65e0..5b8672e 100755
--- a/your-code/challenge-3.ipynb
+++ b/your-code/challenge-3.ipynb
@@ -21,11 +21,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here\n"
+    "dict1 = {'Penelope':178, 'Arnau':172, 'Marta':175}"
    ]
   },
   {
@@ -37,11 +37,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 2,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "dict_keys(['Penelope', 'Arnau', 'Marta'])\n",
+      "dict_values([178, 172, 175])\n",
+      "dict_items([('Penelope', 178), ('Arnau', 172), ('Marta', 175)])\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "print(dict1.keys())\n",
+    "print(dict1.values())\n",
+    "print(dict1.items())"
    ]
   },
   {
@@ -53,11 +65,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'Penelope': 178, 'Arnau': 172, 'Marta': 175, 'Roberto': 180}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "dict1['Roberto'] = 180\n",
+    "print(dict1)"
    ]
   },
   {
@@ -69,11 +90,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 4,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'Penelope': 178, 'Arnau': 172, 'Marta': 175}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "del dict1['Roberto']\n",
+    "print(dict1)"
    ]
   },
   {
@@ -87,7 +117,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -121,11 +151,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 6,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'a': 8, 'about': 1, 'all': 1, 'although': 3, 'and': 23, 'are': 1, 'at': 1, 'baby': 14, 'backseat': 1, 'bag': 1, 'bar': 1, 'be': 16, 'bedsheets': 3, 'begin': 1, 'best': 1, 'body': 17, 'boy': 2, 'brand': 6, 'can': 1, 'chance': 1, 'club': 1, 'come': 37, 'conversation': 1, 'crazy': 2, 'dance': 1, 'date': 1, 'day': 6, 'discovering': 6, 'do': 3, 'doing': 2, \"don't\": 2, 'drinking': 1, 'driver': 1, 'eat': 1, 'every': 6, 'falling': 3, 'family': 1, 'fast': 1, 'fill': 2, 'find': 1, 'first': 1, 'follow': 6, 'for': 3, 'friends': 1, 'get': 1, 'girl': 2, 'give': 1, 'go': 2, 'going': 1, 'grab': 2, 'hand': 1, 'handmade': 2, 'heart': 3, 'hours': 2, 'how': 1, 'i': 6, \"i'll\": 1, \"i'm\": 23, 'in': 27, 'is': 5, \"isn't\": 1, 'it': 1, 'jukebox': 1, 'just': 1, 'kiss': 1, 'know': 2, 'last': 3, 'lead': 6, 'leave': 1, 'let': 1, \"let's\": 2, 'like': 10, 'love': 25, 'lover': 1, 'magnet': 3, 'make': 1, 'man': 1, 'may': 2, 'me': 10, 'mind': 2, 'much': 2, 'my': 33, 'new': 6, 'night': 3, 'not': 2, 'now': 11, 'of': 6, 'okay': 1, 'on': 40, 'one': 1, 'our': 1, 'out': 1, 'over': 1, 'place': 1, 'plate': 1, 'play': 1, 'pull': 3, 'push': 3, 'put': 3, 'radio': 1, 'room': 3, 'say': 2, 'shape': 6, 'shots': 1, 'singing': 2, 'slow': 1, 'smell': 3, 'so': 2, 'somebody': 2, 'something': 6, 'sour': 1, 'start': 2, 'stop': 1, 'story': 1, 'sweet': 1, 'table': 1, 'take': 1, 'talk': 4, 'taxi': 1, 'tell': 1, 'that': 2, 'the': 18, 'then': 3, 'thrifty': 1, 'to': 2, 'too': 5, 'trust': 1, 'up': 3, 'van': 1, 'waist': 2, 'want': 2, 'was': 2, 'we': 7, \"we're\": 1, 'week': 1, 'were': 3, 'where': 1, 'with': 22, 'you': 16, 'your': 21}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "keys = list(word_freq.keys())\n",
+    "keys.sort()\n",
+    "word_freq2 = {}\n",
+    "for k in keys:\n",
+    "    word_freq2[k] = word_freq[k]\n",
+    "print(word_freq2)"
    ]
   },
   {
@@ -162,11 +205,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 7,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'conversation': 1, \"we're\": 1, 'plate': 1, 'sour': 1, 'jukebox': 1, 'taxi': 1, 'fast': 1, 'bag': 1, 'man': 1, 'going': 1, 'one': 1, 'backseat': 1, 'friends': 1, 'take': 1, 'play': 1, 'okay': 1, 'begin': 1, 'over': 1, 'just': 1, 'are': 1, 'tell': 1, 'drinking': 1, 'our': 1, 'where': 1, \"i'll\": 1, 'all': 1, \"isn't\": 1, 'make': 1, 'lover': 1, 'get': 1, 'radio': 1, 'give': 1, 'can': 1, 'club': 1, 'it': 1, 'out': 1, 'chance': 1, 'first': 1, 'table': 1, 'thrifty': 1, 'driver': 1, 'slow': 1, 'dance': 1, 'trust': 1, 'family': 1, 'week': 1, 'date': 1, 'leave': 1, 'at': 1, 'hand': 1, 'how': 1, 'eat': 1, 'about': 1, 'story': 1, 'sweet': 1, 'best': 1, 'let': 1, 'van': 1, 'shots': 1, 'place': 1, 'find': 1, 'kiss': 1, 'stop': 1, 'bar': 1, \"don't\": 2, 'mind': 2, 'know': 2, 'so': 2, 'start': 2, 'boy': 2, 'girl': 2, 'singing': 2, 'doing': 2, 'somebody': 2, 'handmade': 2, 'may': 2, 'that': 2, 'much': 2, 'grab': 2, 'was': 2, 'say': 2, 'waist': 2, 'want': 2, \"let's\": 2, 'not': 2, 'crazy': 2, 'go': 2, 'to': 2, 'fill': 2, 'hours': 2, 'push': 3, 'then': 3, 'put': 3, 'room': 3, 'magnet': 3, 'up': 3, 'pull': 3, 'last': 3, 'do': 3, 'smell': 3, 'although': 3, 'falling': 3, 'were': 3, 'night': 3, 'heart': 3, 'for': 3, 'bedsheets': 3, 'talk': 4, 'too': 5, 'is': 5, 'every': 6, 'new': 6, 'follow': 6, 'brand': 6, 'of': 6, 'i': 6, 'day': 6, 'lead': 6, 'shape': 6, 'discovering': 6, 'something': 6, 'we': 7, 'a': 8, 'like': 10, 'me': 10, 'now': 11, 'baby': 14, 'you': 16, 'be': 16, 'body': 17, 'the': 18, 'your': 21, 'with': 22, \"i'm\": 23, 'and': 23, 'love': 25, 'in': 27, 'my': 33, 'come': 37, 'on': 40}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "import operator\n",
+    "sorted_tups = sorted(word_freq.items(), key=operator.itemgetter(1))\n",
+    "word_freq3 = {}\n",
+    "for t in sorted_tups:\n",
+    "    word_freq3[t[0]] = t[1]\n",
+    "print(word_freq3)"
    ]
   }
  ],
@@ -186,7 +242,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.8.3"
   }
  },
  "nbformat": 4,