first commit

2015/three/solution-2.py

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+with open("./input", "r") as f:
+    instructions = list(f.read())
+cursor1 = [0,0]
+cursor2 = [0,0]
+houses = []
+turn = 0
+# turn 0 is santa, turn 1 is robosanta
+for instruction in instructions:
+    if turn == 0:
+        if instruction == "^":
+            cursor1[0] += 1
+        if instruction == "v":
+            cursor1[0] -= 1
+        if instruction == ">":
+            cursor1[1] += 1
+        if instruction == "<":
+            cursor1[1] -= 1
+        houses.append(f"{cursor1[0]},{cursor1[1]};")
+        print("(*)" + str(cursor1))
+        turn = 1
+    else:
+        if instruction == "^":
+            cursor2[0] += 1
+        if instruction == "v":
+            cursor2[0] -= 1
+        if instruction == ">":
+            cursor2[1] += 1
+        if instruction == "<":
+            cursor2[1] -= 1
+        print("(-) " + str(cursor2))
+        houses.append(f"{cursor2[0]},{cursor2[1]};")
+        turn = 0
+print(len(set(houses)))