[第五关]数组相邻对调

#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
#Persistent	;保持后台运行
#SingleInstance FORCE ;单实例运行模式
SetBatchLines -1
array1:=["a","b","c","d"]
test=
return

^S::
loop , % array1._maxindex()
{
	if (mod(a_index,2)=0)
	{
		tmp1 :=array1[a_index]
		array1[a_index] :=array1[a_index-1] 
		array1[a_index-1] :=tmp1
		test.=array1[a_index-1] . array1[a_index]
	}
}
MsgBox % test
Return