code: func (c *Config) GetValue(section, name string) string {
  	c.ReadList()
  	conf := c.ReadList()
  	for _, v := range conf {
  		for key, value := range v {
  			if key == section {
  				return value[name]
  			}
  		}
  	}
  	return "no value"
  }
docs: //To obtain corresponding value of the key values