Address warnings

Author: mjpieters

Diff for: 2017/Day 08.ipynb

@@ -62,7 +62,7 @@
     "\n",
     "\n",
     "def read_program(lines):\n",
-    "    return [Instruction.from_line(l) for l in lines if l.strip()]\n",
+    "    return [Instruction.from_line(line) for line in lines if line.strip()]\n",
     "\n",
     "\n",
     "def largest_register_value(program):\n",

Diff for: 2017/Day 10.ipynb

@@ -6,15 +6,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from knothash import knot_hash_rounds, knot_hash"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "metadata": {},
-   "outputs": [],
-   "source": [
+    "from knothash import knot_hash_rounds, knot_hash\n",
+    "\n",
     "assert knot_hash_rounds([3, 4, 1, 5], 5, 1)[:2] == [3, 4]\n",
     "\n",
     "tests = {\n",
@@ -29,19 +22,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
     "import aocd\n",
     "\n",
     "data = aocd.get_data(day=10, year=2017)\n",
-    "lengths = [int(l) for l in data.split(\",\")]"
+    "lengths = [int(length) for length in data.split(\",\")]"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 3,
    "metadata": {
     "scrolled": true
    },
@@ -61,7 +54,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {

Diff for: 2017/Day 13.ipynb

@@ -34,7 +34,7 @@
     "\n",
     "\n",
     "def read_firewall(lines):\n",
-    "    return [Scanner.from_line(l) for l in lines if l.strip()]"
+    "    return [Scanner.from_line(line) for line in lines if line.strip()]"
    ]
   },
   {

Diff for: 2017/Day 15.ipynb

@@ -84,7 +84,7 @@
     "import aocd\n",
     "\n",
     "data = aocd.get_data(day=15, year=2017)\n",
-    "start_a, start_b = (int(l.rpartition(\" \")[-1]) for l in data.splitlines())"
+    "start_a, start_b = (int(line.rpartition(\" \")[-1]) for line in data.splitlines())"
    ]
   },
   {

Diff for: 2017/Day 16.ipynb

@@ -29,7 +29,7 @@
     "    line = list(dancers)\n",
     "\n",
     "    seen = []\n",
-    "    for i in range(repeats):\n",
+    "    for _ in range(repeats):\n",
     "        for move in moves:\n",
     "            move, instr = move[0], move[1:].split(\"/\")\n",
     "            if move != \"p\":\n",

Diff for: 2017/Day 20.ipynb

@@ -92,7 +92,7 @@
     "\n",
     "\n",
     "def read_particles(lines):\n",
-    "    return [Particle.from_line(i, l) for i, l in enumerate(lines)]\n",
+    "    return [Particle.from_line(i, line) for i, line in enumerate(lines)]\n",
     "\n",
     "\n",
     "def find_closest(particles):\n",
@@ -109,7 +109,7 @@
     "        collisions[time] |= {p1, p2}\n",
     "\n",
     "    eliminated = None\n",
-    "    for time, collided in sorted(collisions.items()):\n",
+    "    for _, collided in sorted(collisions.items()):\n",
     "        if not eliminated:\n",
     "            eliminated = set(collided)\n",
     "        else:\n",

Diff for: 2017/Day 21.ipynb

@@ -33,8 +33,8 @@
     "    format(i, \"04b\").translate({48: 46, 49: 35}): bytes([i << 4])\n",
     "    for i in range(16)\n",
     "}\n",
-    "for l in range(3, 1, -1):\n",
-    "    for pattern in product(\".#\", repeat=l):\n",
+    "for length in range(3, 1, -1):\n",
+    "    for pattern in product(\".#\", repeat=length):\n",
     "        pattern = \"\".join(pattern)\n",
     "        _hash_to_bytes[pattern] = _hash_to_bytes[pattern.ljust(4, \".\")]\n",
     "\n",
@@ -101,8 +101,8 @@
     "    (3, 3),\n",
     "    b\"\".join(\n",
     "        [\n",
-    "            _hash_to_bytes[l.strip()]\n",
-    "            for l in \"\"\"\\\n",
+    "            _hash_to_bytes[line.strip()]\n",
+    "            for line in \"\"\"\\\n",
     "        .#.\n",
     "        ..#\n",
     "        ###\"\"\".splitlines()\n",