Sample Go Code

package main

import (
	"fmt"
	"time"
)

func say(s string) {
	for i := 0; i < 5; i++ {
		time.Sleep(100 * time.Millisecond)
		fmt.Println(s)
	}
}

func main() {
    say("world")
    go say("hello")
    // say("abcd")
}

• Why hello does not get printed?

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