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package main
import "fmt"
const ( lightSpeed = 300000 months = 12 )
var ( yearSeconds = 365 * 24 * 3600
monthDays = 30 )
func main01() { const pi = 3.14
var radius = 10.0
var area = 0.0
area = pi * radius * radius
fmt.Println("圆的面积是", area)
}
func main02() {
lightYearDistance := lightSpeed * yearSeconds
seasonDays := monthDays * months
fmt.Println("一光年有",lightYearDistance,"公里;一个年有",seasonDays,"天") }
func main() { const a,b,c = 1,2,3
var d,e,f = 4,5,6
fmt.Println(a,b,c) fmt.Println(d,e,f) }
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