2021-10 Py: switch to using collections.deque

By switching the lists I was using as stacks out with a deque, I
appear to have achieved a teeeensy speed improvement.

List `append()` and `pop()` methods have at most a O(n) time
complexity, where deques have a O(1) time complexity.

https://docs.python.org/3/library/collections.html#collections.deque

Signed-off-by: AKU <tom@tdpain.net>

challenges/2021/10-syntaxScoring/benchmark.json

@@ -3,12 +3,12 @@
   "dir": "challenges/2021/10-syntaxScoring",
   "implementations": {
     "Python": {
-      "part.1.avg": 0.0013953149318695068,
-      "part.1.max": 0.003077268600463867,
-      "part.1.min": 0.0008635520935058594,
-      "part.2.avg": 0.0033985512256622316,
-      "part.2.max": 0.0085296630859375,
-      "part.2.min": 0.0021257400512695312
+      "part.1.avg": 0.001248321533203125,
+      "part.1.max": 0.004151821136474609,
+      "part.1.min": 0.0008554458618164062,
+      "part.2.avg": 0.0030763609409332274,
+      "part.2.max": 0.028047800064086914,
+      "part.2.min": 0.002079486846923828
     }
   },
   "numRuns": 1000

challenges/2021/10-syntaxScoring/py/__init__.py

@@ -2,6 +2,7 @@ from typing import List, Optional, Tuple
 from aocpy import BaseChallenge
 from dataclasses import dataclass
 import math
+from collections import deque
 
 
 CHECKER_POINTS = {
@@ -24,7 +25,7 @@ class Chunk:
     text: str
 
     def is_corrupted(self) -> Tuple[bool, Optional[str]]:
-        stack = []
+        stack = deque()
         for char in self.text:
 
             if char == "(":
@@ -45,7 +46,7 @@ class Chunk:
         return False, None
 
     def complete(self) -> str:
-        stack = []
+        stack = deque()
         output = ""
 
         n = 0