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## sliceremove
### Instructions
Write a function that takes a slice of integers and an `int` as arguments, if the given `int` exists in the slice then remove it, otherwise return the slice.
- If the slice is empty, return the slice itself.
### Expected function
```go
func SliceRemove(slice []int , num int) []int {
}
```
### Usage
Here is a possible program to test your function:
```go
package main
import (
"fmt"
)
func main() {
fmt.Println(SliceRemove([]int{1, 2, 3}, 2))
fmt.Println(SliceRemove([]int{4, 3}, 4))
fmt.Println(SliceRemove([]int{}, 1))
}
```
And its output:
```console
$ go run .
[1 3]
[3]
[]
```
