minor improvement to readability of 10

2021/day10/10.py

@@ -16,8 +16,9 @@ for l in lines:
         if c == '(' or c == '[' or c == '{' or c == '<':
             stack.append(c)
         if c == ')' or c == ']' or c == '}' or c == '>':
-            if stack.pop() != [x[0] for x in di if x[1] == c][0][0]:
+            match = [x for x in di if x[1] == c][0]
-                score1 += [x for x in di if x[1] == c][0][2]
+            if stack.pop() != match[0]:
+                score1 += match[2]
                 valid = False
                 break
     if valid: