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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 get_chat_member(chat_id, user_id, **kwargs):
 """ Use this method to get information about a member of a chat :param chat_id: Unique identifier for the target chat or username of the target channel (in the format @channelusername) :param user_id: Unique identifier of the target user :param kwargs: Args that get passed down to :class:`TelegramBotRPCRequest` :type chat_id: int or str :type user_id: int :returns: Returns ChatMember on success. :rtype: ChatMember """


    # required args
    params = dict(
        chat_id=chat_id,
        user_id=user_id,
    )

    return TelegramBotRPCRequest('getChatMember', params=params, on_result=lambda result: ChatMember.from_result(result), **kwargs)