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## byebyefirst
### Instructions
Write a function that takes a slice of `string`'s and returns a new slice without the first element.
- If the slice is empty, return the empty slice.
### Expected function
```go
func ByeByeFirst(strings []string) []string {
}
```
### Usage
Here is a possible program to test your function:
```go
package main
import (
"fmt"
)
func main() {
fmt.Println(ByeByeFirst([]string{}))
fmt.Println(ByeByeFirst([]string{"one arg"}))
fmt.Println(ByeByeFirst([]string{"first", "second"}))
fmt.Println(ByeByeFirst([]string{"", "abcd", "efg"}))
}
```
And its output:
```console
$ go run . | cat -e
[]$
[]$
[second]$
[abcd efg]$
```