diff --git a/day12/part1.py b/day12/part1.py
index e177190..5ae018e 100644
--- a/day12/part1.py
+++ b/day12/part1.py
@@ -5,13 +5,13 @@ drctn = 1
 targets = [1j, 1, -1j, -1]
 target_str = "NESW"
 
-for line in lines:
-    if line[0] in target_str:
-        pos += targets[target_str.index(line[0])] * line[1]
-    elif line[0] in "LR":
-        times = (-line[1] if line[0] == "R" else line[1]) / 90
+for cmd, num in lines:
+    if cmd in target_str:
+        pos += targets[target_str.index(cmd)] * num
+    elif cmd in "LR":
+        times = (-1 if cmd == "R" else 1) * num / 90
         drctn = drctn * 1j ** times
     else:
-        pos += drctn * line[1]
+        pos += drctn * num
 
 print(int(abs(pos.real) + abs(pos.imag)))
diff --git a/day12/part2.py b/day12/part2.py
index 53a4864..d758a86 100644
--- a/day12/part2.py
+++ b/day12/part2.py
@@ -5,13 +5,13 @@ drctn = 10+1j
 targets = [1j, 1, -1j, -1]
 target_str = "NESW"
 
-for line in lines:
-    if line[0] in target_str:
-        drctn += targets[target_str.index(line[0])] * line[1]
-    elif line[0] in "LR":
-        times = (-line[1] if line[0] == "R" else line[1]) / 90
+for cmd, num in lines:
+    if cmd in target_str:
+        drctn += targets[target_str.index(cmd)] * num
+    elif cmd in "LR":
+        times = (-1 if cmd == "R" else 1) * num / 90
         drctn = drctn * 1j ** times
     else:
-        pos += drctn * line[1]
+        pos += drctn * num
 
 print(int(abs(pos.real) + abs(pos.imag)))