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# s

class Point { var x: Int var y: Int

```init(x: Int, y: Int){
self.x = x
self.y = y
}
```

}

class Machine { var location: Point

```init() {
self.location = Point(x: 0, y: 0)
}

func move(direction: String) {
print("Do nothing! Im a machine!") /*I deleted the apostrophe in Im (I'm), and my code compiled... Don't know if anyone had this issue, but it wouldn't let me complete the challenge until I made this change. */
}
```

}

class Robot: Machine {

```override init() {
super.init()

}
```

//an alternative way to increase and decrease the x,y values is with the += and -=

```override func move(direction: String) {
switch direction{
case "Up" : location.y += 1
case "Down" : location.y -= 1
case "Left" : location.x -= 1
case "Right" : location.x += 1
default : break
}
}
```

}

robots.swift
```class Point {
var x: Int
var y: Int

init(x: Int, y: Int){
self.x = x
self.y = y
}
}

class Machine {
var location: Point

init() {
self.location = Point(x: 0, y: 0)
}

func move(direction: String) {
print("Do nothing! Im a machine!") /*I deleted the apostrophe in Im (I'm), and my code compiled... Don't know if anyone had this issue, but it wouldn't let me complete the challenge until I made this change. */
}
}

class Robot: Machine {

override init() {
super.init()
}

//an alternative way to increase and decrease the x,y values is with the += and -=

override func move(direction: String) {
switch direction{
case "Up" : location.y += 1
case "Down" : location.y -= 1
case "Left" : location.x -= 1
case "Right" : location.x += 1
default : break
}
}
}
```

Please edit your post to include a valid and descriptive Title. Also, when posting to the Community, a description of the problem you are having needs to be included in the body.
This keeps the Community organized and professional and allows other students to more successfully assist you... single letters do not.