Final answer:
Ahmed Ahmed laughed when he found out he got the part in the film because he was delighted and excited about the opportunity.
Step-by-step explanation:
Ahmed Ahmed started to laugh when he found out he got the part he read for in a film because he was delighted and excited about the opportunity. Laughter can be a natural reaction to joy and happiness. In this case, Ahmed's laughter was likely an expression of his delight and relief upon hearing the news.