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python ChainMap的使用详解_python_脚本之家
对chain_dict的增删改查影响的都是第一个字典 1 2 3 4 5 6 7 8 9 10 11 12 13 14 from collections import ChainMap dict1={"x":1,"y":3,"t":12} dict2={"x":5,"z":3} chain_dict=ChainMap(dict1,dict2) #对chain_dict的增删改查影响的都是dict1 chain_dict["a"]=10 print(dict1...
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