XCOSE write / read data for user default

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#XCOSE write / read data for user default# create userdefault standard ``` let userdefault = UserDefaults.standard ``` write data ``` userdefault.set(value: Any?, forKey: String) userdefault.set(value: Double, forKey: String) userdefault.set(value: Float, forKey: String) userdefault.set(value: Int, forKey: String) userdefault.set(url: URL?, forKey: String) ``` reading data ``` userdefault.object(forKey: String) ``` so if you save an data like this ``` userdefault.set(value: "Hello World!!", forKey: "key") ``` you need read data like this ``` userdefault.object(forKey: "key") ```

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