day 3 second answer and clean up

03/c.py

@@ -6,19 +6,28 @@ tot = 0
 tot2 = 0
 
 priorities = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
-
-
 commons = ''
 
 rucksacks = f.read().splitlines()
+rucksacks2 = []
 
 for data in rucksacks:
     left = data[:len(data)//2]
     right = data[len(data)//2:]
-    print(str(left) + " " + str(right))
 
     common = ''.join(set(left).intersection(right))
 
     tot = tot + priorities.rfind(common)+1
 
-print(tot)
+print("First answer: " + str(tot))
+
+start = 0
+end = len(rucksacks)
+step = 3
+for i in range(start, end, step):
+
+    three = rucksacks[i:i+step]
+    common = set(three[0]) & set(three[1]) & set(three[2])
+    tot2 = tot2 + priorities.rfind(''.join(common))+1
+
+print("Second answer: " + str(tot2))