from visual import *
def zahyo(X, A, B):
   X.x=0; X.y=0
   X.width=400; X.height=400; X.range=10
   X.up=vector(0, 0, 1); X.forward=vector(-1, -1, -1)
   X.background = color.white

   CB=color.black
   curve(pos=[(0,0,0), (A,0,0)], color=CB)
   curve(pos=[(0,0,0), (0,A,0)], color=CB)
   curve(pos=[(0,0,0), (0,0,A)], color=CB)
   label(pos=(A+B, 0, 0), text='X', color=CB, height=20)
   label(pos=(0, A+B, 0), text='Y', color=CB, height=20)
   label(pos=(0, 0, A+B), text='Z', color=CB, height=20)