2022 day 4

2022/04/part1

@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+def build_range(text):
+    first, last = text.split("-")
+    return range(int(first), int(last)+1)
+
+count = 0
+
+with open('input') as f:
+    for line in f:
+        aS, bS = line.rstrip().split(",")
+        a = build_range(aS)
+        b = build_range(bS)
+
+        if (a[0] in b and a[-1] in b) or (b[0] in a and b[-1] in a):
+            count = count + 1
+
+print(count)
+
+

2022/04/part2

@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+def build_range(text):
+    first, last = text.split("-")
+    return range(int(first), int(last)+1)
+
+count = 0
+
+with open('input') as f:
+    for line in f:
+        aS, bS = line.rstrip().split(",")
+        a = build_range(aS)
+        b = build_range(bS)
+
+        if (a[0] in b or a[-1] in b) or (b[0] in a or b[-1] in a):
+            count = count + 1
+
+print(count)
+
+