diff -r 0471f8694075 -r 9fbd2a71fef2 day1/exercise/strrange.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/day1/exercise/strrange.py	Thu Oct 08 19:06:57 2009 +0530
@@ -0,0 +1,13 @@
+str_ranges = "1, 3-7, 12, 15, 18-21"
+
+ranges = str_ranges.split(',')
+
+lst = []
+for r in ranges:
+    vals = r.split('-')
+    if len(vals) == 2:
+       lst.extend(range(int(vals[0]), int(vals[1]) + 1))
+    else:
+       lst.append(int(vals[0]))
+
+print lst