day 6

06/1.py

@@ -0,0 +1,3 @@
+groups = open("input", "r").read().split("\n\n")
+counts = [len(set(g.replace("\n", ""))) for g in groups]
+print(sum(counts))

06/2.py

@@ -0,0 +1,4 @@
+groups = open("input", "r").read().split("\n\n")
+people = [[set(p) for p in g.split("\n") if p] for g in groups]
+common = [p[0].intersection(*p) for p in people]
+print(sum([len(c) for c in common]))

06/test

@@ -0,0 +1,15 @@
+abc
+
+a
+b
+c
+
+ab
+ac
+
+a
+a
+a
+a
+
+b