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python | 浅学 | 8 数组 推导式
a, b, c, d = 20, 5.5, True, 4+3j print(type(a), type(b), type(c), type(d)) a = 111 print(isinstance(a, int)) class A: pass class B(A): pass print(isinstance(A(), A)) print(type(A()) == A ) print(isinstance(B(), A) ) print(type(B()) == A ) #is