Can you explain how the super() function works with multiple inheritance in Python?
Sure! In Python, the super() function allows you to call methods from a parent class. With multiple inheritance, it helps to resolve the method resolution order (MRO).
What happens if two parent classes have a method with the same name?
In that case, the method from the first parent class in the MRO will be called. You can check the MRO using the __mro__
attribute.
Can you give me an example of this?
Absolutely! Here's a simple example:
class A:
def greet(self):
return 'Hello from A!'
class B(A):
def greet(self):
return 'Hello from B!'
class C(A):
def greet(self):
return 'Hello from C!'
class D(B, C):
pass
obj = D()
print(obj.greet()) # This will call greet from B
In this case, obj.greet()
will output 'Hello from B!'.
How can I see the MRO for class D?
You can see the MRO by using D.__mro__
or print(D.mro())
. It will show you the order in which classes are searched for methods.
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