def choose_boundary():
 nonce = ''.join([str(random.randint(0, (sys.maxint - 1))) for i in (0, 1, 2)])
 return (('-' * 27) + nonce)

def choose_boundary ( ) : nonce = '' . join ( [ str ( random . randint ( 0 , ( sys . maxint - 1 ) ) ) for i in ( 0 , 1 , 2 ) ] ) return ( ( '-' * 27 ) + nonce )
return a string usable as a multipart boundary .