Day 19 (cleanup)

day19/part1.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-import re
 
 lines = (x.strip() for x in open("input.txt"))
 rules = {}

day19/part2.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-import re
 
 lines = (x.strip() for x in open("input.txt"))
 rules = {}
@@ -15,7 +14,8 @@ def yield_rule(line, rule, depth):
 
 
 def check(line, idx, depth=0):
-    if depth <= 100:
+    if depth > 100:
+        return
     rs = rules[idx]
     if isinstance(rs, str):
         if line.startswith(rs):
@@ -27,7 +27,7 @@ def check(line, idx, depth=0):
 
 sum = 0
 for line in lines:
-    line = '11: 42 31 | 42 11 31' if line.startswith('11: ') else line
+    line = '11: 42 31 | 42 11 31' if line.startswith('11:') else line
     line = '8: 42 | 42 8' if line.startswith('8:') else line
     if ":" in line:
         idx, r = line.split(": ")