KwickClips Python · 40 sec · free
What does Python check in duck typing?
Short answer. Only whether the object has the method being called.
What if the method is missing?
You get an AttributeError.
Remember
| Python checks the method, not type |
| Missing method: AttributeError |
A robot is not a duck. Can Python still treat it like one? Robot has a quack method, but no duck parent. Listen only calls quack. Python checks the method, not the class. Only the method matters. No method gives an attribute error.
This clip is from the full lesson: Encapsulation and Polymorphism in Python — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ICSE Class 10 Computer Applications, Programming All levels Python, Programming All levels Python, Programming All levels Java
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