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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_messages(module):
 """Discovers all protobuf Message classes in a given import module. Args: module (module):
 A Python module; :func:`dir` will be run against this module to find Message subclasses. Returns: dict[str, google.protobuf.message.Message]: A dictionary with the Message class names as keys, and the Message subclasses themselves as values. """

    answer = collections.OrderedDict()
    for name in dir(module):
        candidate = getattr(module, name)
        if inspect.isclass(candidate) and issubclass(candidate, message.Message):
            answer[name] = candidate
    return answer