1 files changed, 48 insertions, 0 deletions
diff --git a/2021/10.py b/2021/10.py
new file mode 100644
index 0000000..019abbc
--- /dev/null
+++ b/2021/10.py
@@ -0,0 +1,48 @@
+# Day Ten: Syntax Scoring
+
+file = open("input/10.txt").readlines()
+
+score = 0
+completions = []
+for line in file:
+    expected = ""
+    for char in line:
+        if char == "(":
+            expected += ")"
+        elif char == "[":
+            expected += "]"
+        elif char == "{":
+            expected += "}"
+        elif char == "<":
+            expected += ">"
+        elif char == expected[-1]:
+            expected = expected[0:-1]
+        else:
+            if char == ")":
+                score += 3
+            elif char == "]":
+                score += 57
+            elif char == "}":
+                score += 1197
+            elif char == ">":
+                score += 25137
+            else:
+                completions.append(expected[::-1])
+            break
+print(score)
+
+scores = []
+for seq in completions:
+    score = 0
+    for char in seq:
+        score *= 5
+        if char == ")":
+            score += 1
+        elif char == "]":
+            score += 2
+        elif char == "}":
+            score += 3
+        elif char == ">":
+            score += 4
+    scores.append(score)
+print(sorted(scores)[len(scores)//2])