[Python/2016] Move solutions into .py files

Python/2016/04.py

@@ -0,0 +1,22 @@
+from lib import *
+
+input = read_input(2016, 4)
+
+
+out = 0
+
+for room in input.splitlines():
+    name, sector, checksum = re.match(r"^([a-z\-]+)-(\d+)\[([a-z]+)\]$", room).groups()
+
+    if [*checksum] == [a[0] for a in sorted(Counter(name.replace("-", "")).items(), key=lambda a: (-a[1], a[0]))[:5]]:
+        out += int(sector)
+
+print(out)
+for room in input.splitlines():
+    name, sector = re.match(r"^([a-z\-]+)-(\d+)\[[a-z]+\]$", room).groups()
+
+    name = "".join(chr((ord(c) - 0x61 + int(sector)) % 26 + 0x61) if c != "-" else " " for c in name)
+
+    if "north" in name:
+        print(sector)
+        break