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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 glance(self, nitems=5):
 """Quick and partial glance of the data matrix. Parameters nitems : int Number of items to glance from the dataset. Default : 5 Returns ------- dict """

        nitems = max([1, min([nitems, self.num_samples - 1])])
        return self.__take(nitems, iter(self.__data.items()))