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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def find(self, value):
 """ returns a dictionary of items based on the a lowercase search args: value: the value to search by """

        value = str(value).lower()
        rtn_dict = RegistryDictionary()
        for key, item in self.items():
            if value in key.lower():
                rtn_dict[key] = item
        return rtn_dict