如下图所示:

代码示例如下所示:
package mypackage
import "fmt"
func init() {
fmt.Println("Mypackage Init Function")
}
func MyFunction() {
fmt.Println("Hello from MyFunction!")
}
var MyVariable = "Hello from MyVariable"
package main
import (
"fmt"
"myproject/mypackage"
)
var a = c + b // Declaration and initialization of variables
var b = 1
var c = 2
func init() {
fmt.Println("Init function")
}
func main() {
fmt.Println("main function")
mypackage.MyFunction()
fmt.Println(mypackage.MyVariable)
}

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