how to convert string

[Leif K-Brooks]

diffuser78 at gmail.com wrote:
> I want to print number 0 to 9 in one line like this
> 0 1 2 3 4 5 6 7 8 9
> 
> if I do like this, it prints in different lines
> 
> for i in xrange(10):
>     print i

for i in xrange(10):
     print i,

> so i tried like this
> 
> str = ""
> for i in xrange(10):
>     str = i + " "
> print str
> 
> but i want to know how convert int i to string.

s = "" # Don't shadow the str builtin.
for i in xrange(10):
     s += str(i) + " "
print s