main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import (
"fmt"
"os"
"strconv"
)
func main() {
args := os.Args[1:]
if l := len(args); l == 0 || l > 5 {
fmt.Println("Please tell me numbers (maximum 5 numbers).")
return
}
var (
sum float64
nums [5]float64
total float64
)
for i, v := range args {
n, err := strconv.ParseFloat(v, 64)
if err != nil {
continue
}
total++
nums[i] = n
sum += n
}
fmt.Println("Your numbers:", nums)
fmt.Println("Average:", sum/total)
}
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