1 files changed, 30 insertions, 0 deletions
diff --git a/2022/03/rucksack.py b/2022/03/rucksack.py
new file mode 100644
index 0000000..30efa92
--- /dev/null
+++ b/2022/03/rucksack.py
@@ -0,0 +1,30 @@
+def priority(c):
+    if (ord(c) >= ord("a")):
+        return ord(c) - ord("a") + 1
+    else:
+        return ord(c) - ord("A") + 27
+def same(x, y):
+    a = set()
+    for x1 in x:
+        if x1 in y:
+            a.add(x1)
+    return list(a)
+def inlists(x, y):
+    isin = []
+    for x1 in x:
+        if all([x1 in y1 for y1 in y]):
+            isin.append(x1)
+    if len(isin) > 0:
+        return isin[0]
+    return None
+
+with open("input") as f:
+    compartments = [line.strip() for line in f.readlines()]
+points = 0
+for i in range(0, len(compartments), 3):
+    group = compartments[i:i+3]
+    if len(group) == 3:
+        c = inlists(group[0], group[1:])
+        if c is not None:
+            points += priority(c)
+print(points)