The concept behind duck typing, also known as late binding, is pretty simple; if an object responds to all the methods a function is expected to call, that object can be passed to the function.

Ducktyping背后的概念非常简单，就是所谓的迟绑定；如果对象具有某个函数希望调用的所有方法，就可以将这个对象传递给该函数。

youdao

The concept behind duck typing, also known as late binding, is pretty simple; if an object responds to all the methods a function is expected to call, that object can be passed to the function.

Ducktyping背后的概念非常简单，就是所谓的迟绑定；如果对象具有某个函数希望调用的所有方法，就可以将这个对象传递给该函数。

youdao