[Rust] [very_easy] Implement a Rust program that checks if a string contains only digits.

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Question : Implement a Rust program that checks if a string contains only digits.

Path to create the file : oDoxN6/lLE6NS.rs

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[GyanPrakashRaj]

!assign

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👋 Hi @GyanPrakashRaj,

You’re assigned for this issue. Start working on it ASAP. It’s a tough and fun one. Show your skills and creativity. Deliver a quality solution. Update me on your progress. Ask me if you need help or feedback. 😊