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## listpushback
### Instructions
Write a function `ListPushBack` that inserts a new element `Node` at the end of the list, using the structure `List`
### Expected function and structure
```go
type Node struct {
Data interface{}
Next *Node
}
type List struct {
Head *Node
Tail *Node
}
func ListPushBack(l *List, data interface{}) {
}
```
### Usage
Here is a possible [program](TODO-LINK) to test your function :
```go
package main
import (
"fmt"
piscine ".."
)
func main() {
link := &List{}
piscine.ListPushBack(link, "Hello")
piscine.ListPushBack(link, "man")
piscine.ListPushBack(link, "how are you")
for link.Head != nil {
fmt.Println(link.Head.Data)
link.Head = link.Head.Next
}
}
```
And its output :
```console
student@ubuntu:~/piscine/test$ go build
student@ubuntu:~/piscine/test$ ./test
Hello
man
how are you
student@ubuntu:~/piscine/test$
```