Pushup Counter workout routine

pushupCounter.go

/*
Specify a number of pushups you want to do in a set.
Every 30 secs do another set - 1 rep. Repeat until you reach 0.
This program will calculate how many pushups you do in total
*/

package main

import (
	"fmt"
	"os"
	"strconv"
)

var sets int
var reps int

func pushupCountDn(sets int) {
	for i := sets; i > 0; i-- {
		//fmt.Println("value of i: ", i)
		reps += i
		//fmt.Println("reps = ", reps)
	}
	fmt.Println(reps)
}

func main() {
	num := os.Args[1:]
	pushups := num[0]
	number, _ := strconv.Atoi(pushups)
	sets := number
	pushupCountDn(sets)
}