func CheckInSlice(str string, list []string) bool {
	for _, v := range list {
		if v == str {
			return true
		}
	}
	return false
}
//util,check exists in slice
util,check exists in slice
// util check exists in slice
func CheckInSlice(str string, list []string) bool {
	for _, v := range list {
		if v == str {
			return true
		}
	}
	return false
}
func CheckInSlice ( str string , list [ ] string ) bool { for _ , v := range list { if v == str { return true } } return false }
util,check exists in slice
util check exists in slice