input: 
  def select_approved_rows():
      """
      Select all rows from a table where the 'status' column is 'approved'.
      Expected output:
      rows = select_approved_rows()
      for row in rows:
          print(row)
      """
      sql = "SELECT * FROM table WHERE status = 'approved'"
      cur.execute(sql)
      return cur.fetchall()
  
output:     import sqlite3
      conn = sqlite3.connect('example.db')
      cur = conn.cursor()