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## popint
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### Instructions
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Write a function that receives a slice of int and returns a new slice without the last element. If the slice is empty return an empty slice.
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### Expected function
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```go
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func PopInt(ints []int) []int {
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}
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```
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### Usage
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Here is a possible program to test your function:
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```go
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package main
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import "fmt"
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func main() {
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ints := []int{6, 7, 8, 9,}
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l := PopInt(ints)
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fmt.Println(l)
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}
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```
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And its output:
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```console
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$ go run .
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[6 7 8]
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```
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