Different fonts on same canvas

from openexp.canvas import canvas

text1 = 'default'
text2 = 'mono'
text3 = 'serif'

myCanvas = canvas(exp)
myCanvas.text(text1, y=100)
myCanvas.set_font(style='mono')
myCanvas.text(text2, y=200)
myCanvas.set_font(style='serif')
myCanvas.text(text3, y=300)
myCanvas.show()