input: def select_approved_rows():
      """ Select all rows from a table where the 'status' is 'approved'.
      Example:
      Assuming `cur` is a valid cursor to a database,
      the function should execute the SQL query and return the rows where status is 'approved'.
      """
      sql = "SELECT * FROM table WHERE status = 'approved'"
      cur.execute(sql)
      return cur.fetchall()
output:     sql = "SELECT * FROM table WHERE status = 'approved'"
      cur.execute(sql)
      return cur.fetchall()