下面代码中 v1 和 v2 调用了相同接口 move()，但输出结果不同，这体现了面向对象编程的（ ）特性。

Python
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1class Vehicle:
2    def __init__(self, brand):
3        self._brand = brand
4    def move(self):
5        print(f"{self._brand} is moving...")
6,[object Object],
7,[object Object],
Python
复制
1def main():,[object Object],
2v1 = Car("Toyota", 5),[object Object],
3v2 = Bike("Giant"),[object Object],
4v1.move() # 输出: Toyota car is driving on the road!,[object Object],
5v2.move() # 输出: Giant bike is cycling on the path!,[object Object],
6```,[object Object],