day 2

2/a.py

@@ -0,0 +1,19 @@
+with open("input.txt") as f:
+    lines = [i for i in f.readlines()]
+
+
+depth = 0
+hpos = 0
+
+for line in lines:
+    verb, val = line.strip().split()
+    val = int(val)
+
+    if verb == "forward":
+        hpos += val
+    elif verb == "down":
+        depth += val
+    elif verb == "up":
+        depth -= val
+
+print(depth * hpos)

2/b.py

@@ -0,0 +1,24 @@
+with open("input.txt") as f:
+    lines = [i for i in f.readlines()]
+
+
+depth = 0
+hpos = 0
+aim = 0
+
+
+for line in lines:
+    verb, val = line.strip().split()
+    val = int(val)
+
+    if verb == "forward":
+        hpos += val
+        depth += (aim * val)
+    elif verb == "down":
+        aim += val
+    elif verb == "up":
+        aim -= val
+
+print(depth * hpos)
+
+# 5m16s