Add day 10 solution

day-10/day-10.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+from pathlib import Path
+
+o_chars = ['(', '[', '{', '<']
+c_chars = [')', ']', '}', '>']
+missing_val = [3, 57, 1197, 25137]
+corrupted_val = [1, 2, 3, 4]
+
+
+def part_1(input):
+    result = 0
+    wrong_chars = []
+    for line in input:
+        line = line.rstrip()
+        seen = []
+        for c in line:
+            if c in o_chars:
+                seen.append(c)
+            elif o_chars.index(seen[-1]) != c_chars.index(c):
+                wrong_chars.append(c)
+                result += missing_val[c_chars.index(c)]
+                break
+            else:
+                del seen[-1]
+    print("Part 1 result:", result)
+
+
+def part_2(input):
+    result = 0
+    lines = input.copy()
+    scores = []
+    for line in input:
+        seen = []
+        for c in line.rstrip():
+            if c in o_chars:
+                seen.append(c)
+            elif o_chars.index(seen[-1]) != c_chars.index(c):
+                lines.remove(line)
+                break
+            else:
+                del seen[-1]
+    for line in lines:
+        seen = []
+        for c in line.rstrip():
+            if c in o_chars:
+                seen.append(c)
+            elif o_chars.index(seen[-1]) == c_chars.index(c):
+                del seen[-1]
+        score = 0
+        for c in reversed(seen):
+            score *= 5
+            score += corrupted_val[o_chars.index(c)]
+        scores.append(score)
+    scores.sort()
+    result = scores[(len(scores) // 2)]
+    print("Part 2 result:", result)
+
+
+input = list()
+p = Path(__file__).with_name('input.txt')
+with open(p) as f:
+    input = f.readlines()
+    part_1(input)
+    part_2(input)