Which of the following shell scripts will produce the output “my first script” ?

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Question:
	
Which of the following shell scripts will produce the output “my first script” ?

1.for i in my first script { echo –i $i}

2.for my first script; do echo –n; done

3.for i in my first script; do echo –i $i; done

4.for n in my first script; do echo –i $i; done

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