04

04/04-1.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+file = "./input.txt"
+#file = "./ex.txt"
+from time import time
+import re
+start_time = time()
+
+def sortiere_und_verbinde_buchstaben(dictionary:dict[str:int])->str:
+    sortierte_liste = sorted(dictionary.keys(), key=lambda x: (-dictionary[x], x))
+    return ''.join(sortierte_liste[:5])
+
+def create_checksum(txt:str)-> str:
+    dic = {}
+    txt = "".join(txt.split("-"))
+    for b in txt:
+        if b in dic:
+            dic[b] = dic[b]+1
+        else:
+            dic[b] = 1
+    return sortiere_und_verbinde_buchstaben(dic)
+
+if __name__ == "__main__":
+    sol = 0
+    input_file = open(file, "r")
+    for line in input_file:
+        line = line.strip()
+        if line == "":
+            continue
+        else:
+            pat = r'^([a-z-]+)-(\d+)\[([a-z]+)\]$'
+            match = re.match(pat,line)
+            check = create_checksum(match.group(1))
+            if check == match.group(3):
+                sol += int(match.group(2))
+    input_file.close()
+
+    print(f"Solution - Part1: {sol}")
+    print(f'Runtime: {time()-start_time:.4f} s')