Master Sui BlockchainDevelopment in HoursNot Months

module suilings::hello_world {
    use std::string::{Self, String};

    public fun say_hello(): String {
        string::utf8(b"Hello, Sui!")
    }

    #[test]
    public fun test_hello() {
        assert!(say_hello() == string::utf8(b"Hello, Sui!"), 0);
    }
}