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## activebits
### Instructions
Write a function, ActiveBitsthat, that returns the number of active bits (bits with the value 1) in the binary representation of an integer number.
The function must have the next signature.
### Expected function
```go
func ActiveBits(n int) uint {
}
```
### Usage
Here is a possible [program](TODO-LINK) to test your function :
```go
package main
import (
"fmt"
student ".."
)
func main() {
nbits := student.ActiveBits(7)
fmt.Println(nbits)
}
```
And its output :
```console
student@ubuntu:~/student/activebits$ go build
student@ubuntu:~/student/activebits$ ./activebits
10
student@ubuntu:~/student/activebits$
```