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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 conversations(self, max_id=None, min_id=None, since_id=None, limit=None):
 """ Fetches a users conversations. Returns a list of `conversation dicts`_. """

        if max_id != None:
            max_id = self.__unpack_id(max_id)
        
        if min_id != None:
            min_id = self.__unpack_id(min_id)
            
        if since_id != None:
            since_id = self.__unpack_id(since_id)            
        
        params = self.__generate_params(locals())
        return self.__api_request('GET', "/api/v1/conversations/", params)