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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 pick_and_display_buffer(self, i):
 """ pick i-th buffer from list and display it :param i: int :return: None """

        if len(self.buffers) == 1:
            # we don't need to display anything
            # listing is already displayed
            return
        else:
            try:
                self.display_buffer(self.buffers[i])
            except IndexError:
                # i > len
                self.display_buffer(self.buffers[0])