6.9 面向对象之:元类、反射,双下方法
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元类:
print(type("abc")) print(type(True)) print(type(100)) print(type([1, 2, 3])) print(type({"name": "太白金星"})) print(type((1,2,3))) print(type(object)) class A: pass print(isinstance(object,type)) print(isinstance(A, type))print(type("abc")) pri