Check whether the table exists.

        For example:

        .. literalinclude:: snippets_table.py
            :start-after: [START bigtable_check_table_exists]
            :end-before: [END bigtable_check_table_exists]

        :rtype: bool
        :returns: True if the table exists, else False.

def exists(self):
        """Check whether the table exists.

        For example:

        .. literalinclude:: snippets_table.py
            :start-after: [START bigtable_check_table_exists]
            :end-before: [END bigtable_check_table_exists]

        :rtype: bool
        :returns: True if the table exists, else False.
        """
        table_client = self._instance._client.table_admin_client
        try:
            table_client.get_table(name=self.name, view=VIEW_NAME_ONLY)
            return True
        except NotFound:
            return False