python 实现深拷贝

kv_weijc

于 2019-11-19 16:25:10 发布

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分类专栏： Python

本文链接：https://blog.youkuaiyun.com/kevin_weijc/article/details/103145332

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def clone(data):
    if isinstance(data,list):
        tmp_data = []
        for x in data:
            xt = clone(x)
            tmp_data.append(xt)
    elif isinstance(data,tuple):
        tmp_data = []
        for x in data:
            xt = clone(x)
            tmp_data.append(xt)
    elif isinstance(data,dict):
        tmp_data = {}
        for k,v in data.items():
            xt = clone(v)
            tmp_data[k] = xt
    elif isinstance(data,set):
        tmp_data = set()
        for x in data:
            xt = clone(x)
            tmp_data.add(xt)
    else:
        tmp_data = data
    return tmp_data