array_x = [1,2,3]

map_x = ["a":1,"b":2]

for (x in array) {

    println(x)

}

for(k,v in map_x) {

    println(k)

}

get 获取字典值：

m = ["a":1, "b":2]
println(m.get("c", "motfind"))

for 循环变量array, map等