06 with defaultdict

06/06_defaultdict.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+#file = "./input.txt"
+file = "./ex.txt"
+from time import time
+from collections import defaultdict
+start_time = time()
+
+def read_file(filename:str)->list[str]:
+    result = []
+    input_file = open(filename, "r")
+    for line in input_file:
+        line = line.strip()
+        if line == "":
+            continue
+        else:
+            result.append(line)
+    input_file.close()
+    return result
+
+def counter_dicts(da:list[str])->list[dict[str:int]]:
+    result = [defaultdict(int) for _ in range(len(da[0]))]
+    for d in da:
+        for i,b in enumerate(d):
+            result[i][b] += 1
+    return result
+
+if __name__ == "__main__":
+    data = read_file(file)
+    dicts = counter_dicts(data)
+
+    sol = ""
+    for dic in dicts:
+        sol += max(dic, key=dic.get)
+    print(f"Solution Part1: {sol}")
+
+    sol = ""
+    for dic in dicts:
+        sol += min(dic, key=dic.get)
+    print(f"Solution Part2: {sol}")
+
+    print(f'Runtime: {time()-start_time:.4f} s')