import qplot as qp

import numpy as np

import time

qp.figure('f1', 3, 3)

qp.figure('f2', 3, 3)

qp.figure('f3', 3, 3)

qp.figure('f4', 3, 3)

qp.mark([0,1], [0,1])

time.sleep(1)

qp.closeall()