Day 6.1 done

5/b.py

@@ -0,0 +1,9 @@
+with open("input", "r") as f:
+    lines = f.read().splitlines()
+
+ranges = []
+
+for line in lines:
+    if "-" in line:
+        start, end = line.split("-")
+        ranges.append((int(start), int(end)))