编辑代码

var myString = "Hello world!     -  swift.jsrun.net"
print(myString)
func step() {
var (row,col,status）= findMonkey() 
switch status {
case "up":
if row > 0 {
group[row*cols+Co1]="|"
rOW -=1 
group[row*cols+col]="^"
}
case"down":
ifrOW < rows-1 {
    group[row*cols+co1]="| "
row += 1
group[row*cols+col]="v"
}
case "left":
if col > 0 {
group[row*cols+col]="-"
col-=1
group[row*cols+col]="<"
}
case "right":
if col < cols-1 {
group[row*cols+co1]="-"
col += 1
group[row*cols+col]=">"
}
default:
print()
}
}