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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 copy_file(self, file_id, dest_folder_id):
 """Copy file to new destination Args: file_id (int):
 ID of the folder. dest_folder_id (int):
 ID of parent folder you are copying to. Returns: dict. Response from Box. Raises: BoxError: An error response is returned from Box (status_code >= 400). BoxError: 409 - Item with the same name already exists. In this case you will need download the file and upload a new version to your destination. (Box currently doesn't have a method to copy a new verison.) BoxHttpResponseError: Response from Box is malformed. requests.exceptions.*: Any connection related problem. """


        return self.__request("POST", "/files/" + unicode(file_id) + "/copy",
                        data={ "parent": {"id": unicode(dest_folder_id)} })