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我想维护一个大型字典，有没有什么省内存的方法
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字典大概是下面这样的结构，我粗跑了一下，大概 100W 条数据，占用 400M 内存
{'dn0pFVBjQGwRYKCO2Ix45ibo6r9kW3Zedn0pFVBjQGwRYKCO2Ix45ibo6r9kW3Ze': 1, 'XuYRUn50f7j9zG2k8EZvoaWmeAdqTVrQXuYRUn50f7j9zG2k8EZvoaWmeAdqTVrQ': 2,
....
't2n9wLoU53ql4hPMHi7pFaIEkCRxNuf0t2n9wLoU53ql4hPMHi7pFaIEkCRxNuf0',1000000}
有没有方法能大幅度减少内存的占用？
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