Added Haskell Implementations and changed directory structure

Python/2021/06/day6.py

@@ -0,0 +1,13 @@
+
+with open("input.txt", 'r') as f:
+    data = f.readlines()
+    data = list(map(int, data[0].strip().split(",")))
+
+fish = [data.count(i) for i in range(9)]
+
+for i in range(256):
+    num = fish.pop(0)
+    fish[6] += num
+    fish.append(num)
+
+print(sum(fish))