Question
class A:
def __str__(self):
return '1'
class B(A):
def __init__(self):
super().__init__()
class C(B):
def __init__(self):
super().__init__()
def main():
obj1 = B()
obj2 = A()
obj3 = C()
print(obj1, obj2,obj3)
main()
a.
1 1 1
b.
1 2 3
c.
‘1’ ‘1’ ‘1’
d.
An exception is thrown
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