Solve 2016 days 6 to 8.

2016/d6.py

@@ -0,0 +1,25 @@
+from lib import *
+
+data = open(0).read().strip()
+second = True
+
+p = ""
+for row in zip(*data.splitlines()):
+    counts = {}
+    for l in LETTERS_LOWER:
+        counts[l] = row.count(l)
+    maxc = 0
+    minc = 999
+    c = ""
+    for l, count in counts.items():
+        if second:
+            if count > 0 and count < minc:
+                minc = count
+                c = l
+        else:
+            if count > maxc:
+                maxc = count
+                c = l
+    p += c
+
+print(p)