I was reading about the python dictionaries had finished some methods related to the dictionary.
we used get and setdefault methods to get the value from the dictionary if it lies inside it and setdefault used to set the value is side the dictionary if it does not lies inside the dictionary. so why we use setdefault I think in place of setdefault first we should convert that dictionary in the list and now we can add new value then again convert it in dictionary
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