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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_func(name, argtypes=None, restype=c_int, lib=libNLPIR):
 """Retrieves the corresponding NLPIR function. :param str name: The name of the NLPIR function to get. :param list argtypes: A list of :mod:`ctypes` data types that correspond to the function's argument types. :param restype: A :mod:`ctypes` data type that corresponds to the function's return type (only needed if the return type isn't :class:`ctypes.c_int`). :param lib: A :class:`ctypes.CDLL` instance for the NLPIR API library where the function will be retrieved from (defaults to :data:`libNLPIR`). :returns: The exported function. It can be called like any other Python callable. """

    logger.debug("Getting NLPIR API function: 'name': '{}', 'argtypes': '{}',"
                 " 'restype': '{}'.".format(name, argtypes, restype))
    func = getattr(lib, name)
    if argtypes is not None:
        func.argtypes = argtypes
    if restype is not c_int:
        func.restype = restype
    logger.debug("NLPIR API function '{}' retrieved.".format(name))
    return func