第一个swfit程序

 

import Foundation

let lable="wo ai ni"

var a = 1

var b=3

 

print(String(a+b)+lable);

 

---

 

import Foundation

let lable="wo ai ni"

var a = 1

var b=3

 

print("\(a+b)"+lable);

---

let a=1

let b="a＝\(a)"

 

print(b);

a＝1

Program ended with exit code: 0

---

 

---

var  List = [" catfi sh", "wate r", " tulip s", " blue paint "]

 

print(List);

---

 

 

 

import Foundation

let a = [75 , 43, 103, 87, 12]

var i = 0

for i   in a{

    if(i>50)

    {

        print(String(i)+"i>50")

    }else

    {

        print(String(i)+"i<50")

    }

 

}

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转载于:https://www.cnblogs.com/egai/p/5052382.html