// exsw4.swift  loops and iteration statements

#if os(OSX) || os(iOS) // for libraries, portable for OSX and Linux
import Foundation
#elseif os(Linux)
import Glibc
#endif// 

print("exsw4.swift running");
var v1 = [2, 4, 6, 8]        // 4 items subscripts 0,1,2,3

for i in 0...3 {
  print("v1[\(i)]=\(v1[i])")
}
for i in 0..<4 {
  print("v1[\(i)]=\(v1[i])")
}
var j = 0
while j <= 2 {
  print("j=\(j)")
  j = j + 1
}