percfmt.txt

yotam@durini:tmp:312> python
Python 2.4.2 (#2, Sep 30 2005, 21:19:01) 
[GCC 4.0.2 20050808 (prerelease) (Ubuntu 4.0.1-4ubuntu8)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> fmt = "My name is %s %s and I am %d years old"
>>> name = "Yotam"
>>> family = "Medini"
>>> born = 1957
>>> fmt % (name, family, 2006 - born)
'My name is Yotam Medini and I am 49 years old'
>>> name = "Harry"
>>> family = "Potter"
>>> born = 1990
>>> fmt % (name, family, 2006 - born)
'My name is Harry Potter and I am 16 years old'