day6

day6/day6.py

@@ -0,0 +1,58 @@
+def part1():
+    file = open("input.txt")
+
+    questions = []
+    sum = 0
+
+    for line in file:
+
+        if line == "\n":
+            sum += len(set(questions))
+            questions = []
+
+        else:
+            chars = list(line.strip())
+            for char in chars:
+                questions.append(char)
+
+    sum += len(set(questions))
+
+    print("Part 1: %d" % sum)
+
+
+def part2():
+    file = open("input.txt")
+
+    questions = {}
+    participants = 0
+
+    sum = 0
+
+    for line in file:
+
+        if line == "\n":
+            for question in questions:
+                if questions[question] == participants:
+                    sum += 1
+            questions = {}
+            participants = 0
+
+        else:
+            chars = list(line.strip())
+            participants += 1
+            for char in chars:
+                if char in questions:
+                    questions[char] += 1
+                else:
+                    questions[char] = 1
+
+    for question in questions:
+        if questions[question] == participants:
+            sum += 1
+
+    print("Part 2: %d" % sum)
+
+
+if __name__ == "__main__":
+    part1()
+    part2()