Another stupid newbie question

[Byte]

How can I make the following code:

from random import random



def stuff(a, mx):
    x = 2
    while x == 2:
        x = random()
        if x == mx: print x
        else: print 'No luck,', x
        x = 2

Stop when x == mx?

Thanks in advance,
 -- /usr/bin/byte