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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 exists(self):
 """Checks to see if table exists"""

        try:
            self.cc.sql_client.send(
                'EXPLAIN SELECT * FROM "{table_name}"'.format(
                    table_name=self.table_name),
                do_post=False)
            return True
        except CartoException as err:
            # If table doesn't exist, we get an error from the SQL API
            self.cc._debug_print(err=err)
            return False