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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 join(self, t2, unique=False):
 """ Join this triangulation with another. If the points are known to have no duplicates, then set unique=True to skip the testing and duplicate removal """


        lonv1 = np.concatenate((self.lons, t2.lons), axis=0)
        latv1 = np.concatenate((self.lats, t2.lats), axis=0)

        ## remove any duplicates

        if not unique:
            lonv1, latv1 = remove_duplicate_lonlat(lonv1, latv1)

        return lonv1, latv1