Ps. For readability you can also roll your own sprintf function:
def format(s, *args, **kwargs):
if args:
return s % args
elif kwargs:
return s % kwargs
else:
return s
s = 'I like %s and %s.'
print format(s, 'ham', 'cheese')
s = 'I like %(b)s and %(c)s.'
print format(s, b='butter', c='eggs')
> Regards,
> Jordan