25 lines
335 B
Python
25 lines
335 B
Python
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# inheritance
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class A:
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def a():
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print('A.a() called')
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class B(A):
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pass
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print(type(A))
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print(type(B))
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print(issubclass(A, A))
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print(issubclass(A, B))
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print(issubclass(B, A))
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print(issubclass(B, B))
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print(isinstance(A(), A))
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print(isinstance(A(), B))
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print(isinstance(B(), A))
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print(isinstance(B(), B))
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A.a()
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B.a()
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