深拷贝与浅拷贝 copy和deepcopy

浅拷贝就是只复制地址 深拷贝就是复制地址所指的那个文件 a = [1,2,3] a = b a = [1,2,3] b = copy.deepcopy(a) a = [1,2,3] b = [4,5,6] c = [a,b] d = copy.deepcopy( c) a = [1,2,3] b = [4,5,6] c = [a,b] d = copy.copy( c) a = [1,2,3] b

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