random_walk.py 文件源码

def  move(self,field,time=1):
        if  field.getDrunk()!=self:
            raise ValueError('Drunk.move called with drunk not in field')           
        for i  in range(time):
            pt=CompassPt(random.choice(CompassPt.possibles))
            field.move(pt,1) # Drunk?????