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raise KeyError("%s is not a file in the archive" % key) KeyError: 'columns is not a file in the arch

data = np.load("populations.npz", allow_pickle=True)feature_names = data["columns"]data = data["value"]读入.npz的data的[]里面的字符串错误用for i in dataprint(i)查看data的可用[]里面的字符串修改后:data = np.load("...

#python#numpy
raise KeyError("%s is not a file in the archive" % key) KeyError: 'columns is not a file in the arch

data = np.load("populations.npz", allow_pickle=True)feature_names = data["columns"]data = data["value"]读入.npz的data的[]里面的字符串错误用for i in dataprint(i)查看data的可用[]里面的字符串修改后:data = np.load("...

#python#numpy
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