claudinec
diff --git a/‎aoc2020.ipynb
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@@ -432,6 +432,80 @@
     "        break"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Day 6\n",
+    "\n",
+    "Sum of count of unique answers in each group."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 63,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "6703\n"
+     ]
+    }
+   ],
+   "source": [
+    "import string\n",
+    "\n",
+    "counts = 0\n",
+    "\n",
+    "with open('day06-input.txt') as input_file_06:\n",
+    "    input_06 = input_file_06.read()\n",
+    "    groups = input_06.split('\\n\\n')\n",
+    "    \n",
+    "    for group in groups:\n",
+    "        i = 0\n",
+    "        for l in string.ascii_lowercase:\n",
+    "            if l in group:\n",
+    "                i = i + 1\n",
+    "        counts = counts + i\n",
+    "        \n",
+    "print(counts)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Sum of count of questions in each group to which everyone answered yes."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 66,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3430\n"
+     ]
+    }
+   ],
+   "source": [
+    "countt = 0\n",
+    "\n",
+    "for group in groups:\n",
+    "    allyes = set(string.ascii_lowercase)\n",
+    "    answers = group.split('\\n')\n",
+    "    for a in answers:\n",
+    "        allyes.intersection_update(set(a))\n",
+    "    countt = countt + len(allyes)\n",
+    "\n",
+    "print(countt)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,