@interact def _( n = slider(1,10, step_size =1, label="Select a number:")): print n
@interact def _( m = slider(-2,2, step_size =0.5), b = slider(-3,3, step_size =0.5)): show(plot(m*x+b,(x,-10,10), ymax = -5, ymin= 5, color ='blue', figsize=(8,5)))