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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_models():
 """Finds all models, returning a list of model number and names sorted increasing. """

    all_models = gfile.Glob(os.path.join(models_dir(), '*.meta'))
    model_filenames = [os.path.basename(m) for m in all_models]
    model_numbers_names = sorted([
        (shipname.detect_model_num(m), shipname.detect_model_name(m))
        for m in model_filenames])
    return model_numbers_names