2022 3a solved

.gitignore

@@ -4,4 +4,5 @@
 
 *.swp
 *.swo
+*.txt
 .DS_Store

2022/3.py

@@ -0,0 +1,15 @@
+lines = [i for i in open("input.txt", 'r').read().splitlines()]
+
+letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+sum = 0
+
+for l in lines:
+    found = False
+    for c in l[:int(len(l)/2)]:
+        for d in l[int(len(l)/2):]:
+            if c == d:
+                if not found:
+                    sum += letters.index(c)+1
+                    found = True
+
+print(sum)