def success(message, **kwargs):
    kwargs["fg"] = kwargs.get("fg", "green")
    click.secho(message, **kwargs)
def get_leafs(self):
		if self.lchild == None and self.rchild == None:
			return [self.leaf]
		else:
			return self.lchild.get_leafs()+self.rchild.get_leafs()