one liner

3.py

@@ -1,8 +1,2 @@
 with open("input3.txt") as f:
-    a = dict(zip(map(chr,(list(range(97,123))+list(range(65,91)))),range(1,53)))
-    s = 0
-    for line in f.readlines():
-        line = line.strip()
-        d, f = map(set,(line[:len(line)//2],line[len(line)//2:]))
-        s += a[(d&f).pop()]
-    print(s)
+    print(sum([(dict(zip(map(chr,(list(range(97,123))+list(range(65,91)))),range(1,53))))[((list(map(set,((line.strip())[:len((line.strip()))//2],(line.strip())[len((line.strip()))//2:])))[0])&(list(map(set,((line.strip())[:len((line.strip()))//2],(line.strip())[len((line.strip()))//2:])))[1])).pop()] for line in f.readlines()]))