swift Explain what is For-in loop and what is Dictionaries? Provide example with a code snippet, when you use for-in to iterate over items in a dictionary.

Example: loop key value swift

func findDic(dict: [String: String]){
    for (key, value) in dict{
    print("\(key) : \(value)")
  }
}

findDic(dict: ["Animal":"Lion", "Bird":"Sparrow"])
//prints Animal : Lion 
         Bird : Sparrow