“Ring the for loop menggunakan cakupan lokal” Kode Jawaban

Ring the for loop menggunakan cakupan lokal

x = 10
? x             # Print 10
test1()
? x             # Print 10
test2()
? x             # Print 10

func test1
        for x = 1 to 5
        next
        ? x     # Print 6

func test2
        list = 1:5
        for x in list
        next
        ? x     # Print NULL (The "For In" loop will kill the reference after the loop)