python读写配置文件

import configparserself.config = configparser.ConfigParser()self.config.read("Config.ini")try:   self.rkusername.setText(self.config.get("rk", "username"))   self.rkpassword.setText(self.config.get("rk", "Password")) #读取except:    passtry:    self.config.add_section("rk") #写入    self.config.set("rk", "username", self.rkusername.text())    self.config.set("rk", "Password", self.rkpassword.text())    self.config.write(open("Config.ini", "w"))except:    pass