func (c *Config) Get(key string) (string, error) {
	if value, found := c.data[key]; found {
		return value, nil
	}
	return "", ErrKey
}
func (c *Config) Get(key string) (string, error) {
	if value, found := c.data[key]; found {
		return value, nil
	}
	return "", ErrKey
}
func ( c * Config ) Get ( key string ) ( string , error ) { if value , found := c . data [ key ] ; found { return value , nil } return " " , ErrKey }
// * * *
// Get returns the string value for a given key.
* * * Get returns the string value for a given key .