--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/day1/exercise/round_float.py	Thu Oct 08 18:59:47 2009 +0530
@@ -0,0 +1,12 @@
+# round using int
+n = 17.3 # any float
+int (n + .5)
+
+# round it off to first decimal place
+round(amount * 10) / 10.0
+
+# round it off to nearest 5 paise
+round(amount * 20) / 20.0
+
+# exchange two variables
+a, b = b, a