go chan communication

var c chan string
func Pingpong() {
i:=0
    for {
    fmt.Println(<-c)
    c<- ftm.Sprintf("From Pingpong:Hi,#%d",i)
    i++
    }
}

func main() {
c=make(chan string)
go Pingpong()
for i:=0;i<10;i++ {
c<-fmt.Sprintf("Form main:Hello, #%d",i)
fmt.Println(<-c)
}
}