def interkey_interval():
 return ((random.lognormvariate(0.0, 0.5) * 30.0) / 1000.0)
 return (float(random.randrange(10, 50)) / 1000.0)

def interkey_interval ( ) : return ( ( random . lognormvariate ( 0.0 , 0.5 ) * 30.0 ) / 1000.0 ) return ( float ( random . randrange ( 10 , 50 ) ) / 1000.0 )
in milliseconds .