What is the output of following code?
from abc import ABC, abstractmethod
class A(ABC):
@abstractmethod
def m1():
print('In class A, Method m1.')
def m2():
print('In class A, Method m2.')
class B(A):
def m2():
print('In class B, Method m2.')
b = B()
b.m2()
a) In class A, Method m1.
b) In class A, Method m2.
c) TypeError
d) In class B, Method m2.
