001、python报错如下:
>>> dict1 = {"aa":700, "bb":400, "cc":300, "dd":600} >>> dict1.values().index(300) Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'dict_values' object has no attribute 'index'
002、报错原因,python3不支持 index用法
003、解决方法
>>> dict1 = {"aa":700, "bb":400, "cc":300, "dd":600} >>> dict1.values().index(300) Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'dict_values' object has no attribute 'index' >>> list(dict1.values()).index(300) ## 增加list函数 2
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