feat: Redo of the AoC repo starting over with 2015 and keeping up with

2025 (completed day 2 so far)

15/4/main.py

@@ -0,0 +1,26 @@
+import hashlib
+
+def search_hashes(secret: str, match_str: str) -> int:
+    num = 1
+
+    while True:
+        search_string_bytes = (secret + str(num)).encode()
+
+        hash_string = hashlib.md5(search_string_bytes).hexdigest()
+
+        if hash_string.startswith(match_str):
+            return num
+
+        num += 1
+
+
+def main():
+    num = search_hashes('ckczppom', '00000')
+    print(f'Part1: {num}')
+
+    num = search_hashes('ckczppom', '000000')
+    print(f'Part2: {num}')
+
+
+if __name__ == "__main__":
+    main()

15/4/test_main.py

@@ -0,0 +1,11 @@
+import pytest
+
+from main import search_hashes
+
+@pytest.mark.parametrize('given, match, expected',
+                         [
+                            ('abcdef', '00000', 609043),
+                            ('pqrstuv', '00000', 1048970)
+                         ])
+def test_searching(given, match, expected):
+    assert search_hashes(given, match) == expected