import numpy as np
from grace_plot import GracePlot
gr=GracePlot("exampleplot", rows=1, cols=2)
x = np.linspace(0,10,100)
gr.focus(col=0) # erste spalte
gr.plot(x, x**3)
gr.focus(col=1) # zweite spalte
gr.plot(x, np.cos(x), legend="ein cosinus")
gr.save()