golang: getting today's week number

today_isoweek.go

package main

import "fmt"
import "time"

func main() {
	var time_now time.Time = time.Now()  // [ALTERNATIVE] time_now := time.Now()
	var _, wk_num = time_now.ISOWeek()   // [ALTERNATIVE] _, wk_num := time_now.ISOWeek()

	fmt.Println(wk_num)
}