Add solution to 2025-12-02

Author: fuglede

2025/day02/solutions.py

@@ -0,0 +1,25 @@
+with open("input") as f:
+    data = f.read().strip()
+
+
+res1 = res2 = 0
+
+for l in data.split(","):
+    start, end = l.split("-")
+    for i in range(int(start), int(end) + 1):
+        s = str(i)
+        if len(s) % 2 == 0:
+            mid = len(s) // 2
+            if s[:mid] == s[mid:]:
+                res1 += i
+        for l in range(1, len(s) // 2 + 1):
+            if len(s) % l == 0:
+                if all(s[j : j + l] == s[0:l] for j in range(0, len(s), l)):
+                    res2 += i
+                    break
+
+# Part 1
+print(res1)
+
+# Part 2
+print(res2)