go sha1

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import "crypto/sha1"
import "fmt"
func main(){
   
	s:="this is a string"
	h:=sha1.New()
	h.Write([]byte(s))
	bs:=h.Sum(nil)
	fmt.Println(bs)
	fmt.Printf("%x\n",bs)
}
output:
[81 117 146 223 143 236 58 209 70 167 154 154 241 83 219 42 77 120 78 197]
517592df8fec3ad146a79a9af153db2a4d784ec5