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package main
import "fmt"
func sum(a []int, c chan int) {
sum := 0
for _, v := range a {
sum += v
}
fmt.Println(sum, c)
c <- sum
}
func main() {
a := []int{7, 2, 8, -8, 4, 0}
c := make(chan int)
go sum(a[:len(a)/2], c)
go sum(a[len(a)/2:], c)
x, y := <-c, <-c
fmt.Println(x, y, x+y)
}
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