import qplot as qp
import numpy as np
qp.figure('legend', 3, 3)
qp.legopt(x0=2*np.pi, y0=1, dx=10)
xx = np.arange(0, 2*np.pi, .1)
qp.pen('b')
qp.plot(xx, np.cos(xx))
qp.legend('Cosine')
qp.pen('r')
qp.plot(xx, np.sin(xx))
qp.legend('Sine')
qp.shrink()