2017: Make room for two-digit day numbers

2017/day05.py

@@ -0,0 +1,24 @@
+with open('input/day5') as f:
+    puzzle_input = tuple(int(line) for line in f.read().splitlines())
+
+def step(jumps, index):
+    jump = jumps[index]
+    return (jumps[:index] + (offset(jump),) + jumps[index+1:]), index + jump
+
+def escape(jumps):
+    index = 0
+    steps = 0
+    while 0 <= index < len(jumps):
+        jumps, index = step(jumps, index)
+        steps += 1
+    return steps
+
+def offset(jump):
+    return jump+1
+
+#  print(escape(puzzle_input))
+
+def offset(jump):
+    return jump + (-1)**(jump >= 3)
+
+print(escape(puzzle_input))