swift 循环 for while

 循环语句

//  main.swift//  L001for////  Created by hins on 16/10/26.//  Copyright © 2016年 hins. All rights reserved.//import Foundationprint("Hello, World!")//循环//数组循环var arr:[Int] = Array();for item in 1...100{    arr.append(item);    //print("=======")}print(arr.count)for (i,value) in EnumerateSequence(arr){    print("\(i+1)======\(value)");    }var n=0;while n<arr.count{    print("\(n),\(arr[n])");    n = n+1;}//字典循环var dict:Dictionary<Int,String> = Dictionary();for i in 1...10{    dict[i]="aaa\(i)";}for (key,value) in dict{    print("\(key),\(value)");}