A Swift extension class for Dictionary

DictionaryExtension.swift

extension Dictionary {
    
    /* 
     * merge two dictionaries together to a single dictionary
     * var data1: Dictionary<String, String> = ["Fname", "Anitaa"]
     * var data2: Dictionary<String, String> = ["lname", "Murthy"]
     * var data3: data1.update(data2)
     * print(data3) -> ["Fname": "Anitaa", "lname" : "Murthy"]
     */
    mutating func update(other:Dictionary) {
        for (key,value) in other {
            self.updateValue(value, forKey:key)
        }
    }
}