1 files changed, 47 insertions, 0 deletions

diff --git a/day6/__init__.py b/day6/__init__.py
new file mode 100644
index 0000000..f9d4f87
--- /dev/null
+++ b/day6/__init__.py
@@ -0,0 +1,47 @@
+from typing import Iterator, Any, Generator, List
+
+from aoc import BaseAssignment
+
+
+class Assignment(BaseAssignment):
+    def read_input(self, example = False) -> Generator:
+        group = []
+        for line in super().read_input(example):
+            if len(line) == 0:
+                yield group
+                group = []
+                continue
+
+            group.append(line)
+
+        yield group
+
+
+class AssignmentOne(Assignment):
+    def run(self, input: Iterator) -> Any:
+        return sum([
+            len(set(''.join(group)))
+            for group in input
+        ])
+
+
+class AssignmentTwo(Assignment):
+    def everyone_same_answer_count(self, group: List):
+        answer_count = {}
+        for person in group:
+            for answer in person:
+                answer_count[answer] = answer_count[answer] + 1 \
+                    if answer in answer_count \
+                    else 1
+        return sum([
+            1
+            for value in answer_count.values()
+            if value == len(group)
+        ])
+
+
+    def run(self, input: Iterator) -> Any:
+        return sum([
+            self.everyone_same_answer_count(group)
+            for group in input
+        ])