python之迭代 python 字典中的单个维度

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iterating one key in a python multidimensional associative array

我创建了一个二维字典 myaddresses['john','smith'] = "地址 1" myaddresses['john','doe'] = "地址 2"

我如何迭代时尚中的一个维度

for key in myaddresses.keys('john'):