What is the output of the following code? from abc import ABC, abstractmethod class A(ABC): @abstractmethod @classmethod def m1(self): print('In class A, Method m1.') class B(A): @classmethod def m1(self): print('In class B, Method m1.') b = B() b.m1() B.m1() A.m1()

What is the output of the following code?

from abc import ABC, abstractmethod

class A(ABC):

    @abstractmethod

    @classmethod

    def m1(self):

        print('In class A, Method m1.')

class B(A):

    @classmethod

    def m1(self):

        print('In class B, Method m1.')

b = B()

b.m1()

B.m1()

A.m1()

 
a. In class B, Method m1.
In class B, Method m1.
In class A, Method m1.
b. AttributeError
c. TypeError
d. In class B, Method m1.
In class B, Method m1.