1 files changed, 72 insertions, 0 deletions
diff --git a/2022/day3/day3.py b/2022/day3/day3.py
new file mode 100755
index 0000000..2e08c21
--- /dev/null
+++ b/2022/day3/day3.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+
+# filename = "input_test.txt"
+filename = "input.txt"
+res1 = 0
+with open(filename) as f:
+    for line in f:
+        line = line.strip()
+        middle = int(len(line)/2)
+        first = line[:middle]
+        last = line[middle:]
+
+        print(first)
+        print(last)
+        d = dict()
+        for c in first:
+            d[c] = True
+
+        for c in last:
+            if c in d:
+                print(c)
+                if 'a' <= c <= 'z':
+                    add = ord(c) - ord('a') + 1
+                    print(add)
+                    res1 += add
+                elif 'A' <= c <= 'Z':
+                    add = ord(c) - ord('A') + 27
+                    print(add)
+                    res1 += add
+                break
+
+filename = "input_test.txt"
+# filename = "input.txt"
+res2 = 0
+with open(filename) as f:
+    for line in f:
+        first = line.strip()
+        second = next(f).strip()
+        third = next(f).strip()
+        print(first)
+        print(second)
+        print(third)
+
+        s1 = set()
+        for c in first:
+            s1.add(c)
+
+        s2 = set()
+        for c in second:
+            s2.add(c)
+
+        s3 = set()
+        for c in third:
+            s3.add(c)
+
+        si = s1.intersection(s2)
+        sii = si.intersection(s3)
+        print(sii)
+
+        c = list(sii)[0]
+        if 'a' <= c <= 'z':
+            add = ord(c) - ord('a') + 1
+            print(add)
+            res2 += add
+        elif 'A' <= c <= 'Z':
+            add = ord(c) - ord('A') + 27
+            print(add)
+            res2 += add
+
+print(res1)
+print(res2)
+