Trust guessing numbers game

Video reference bilibili：https://www.bilibili.com/video/BV1hp4y1k7SV?p=6&vd_source=0299ee6ffe3815178fa7786dd32402d1

Cargo.toml file ( similar java Of maven pom.xml file , For managing dependent versions ) Content ：

[package]
name = "guessing_game"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
rand = "0.8.5"

main.rs File contents of ：

use rand::Rng;
use std::cmp::Ordering;
use std::io;

fn main() {
    
    println!(" Guess the number game starts ");
    // rand = "0.8.5"  Version of gen_range To pass low..high or low..=high This way, 
    //  Generate a 1 To 100 The random number 
    let secret_number = rand::thread_rng().gen_range(1..101);

    loop {
    
        println!(" Please guess a number ");
        // mut  A modifier variable indicates that the value of the variable is variable 
        let mut guess = String::new();
        //  Read a number from the console 
        io::stdin().read_line(&mut guess).expect(" Can't read ");

        let guess:u32 = match guess.trim().parse() {
    
            Ok(num) => num,
            Err(_) => {
    
                println!(" It's not a number , Re input ");
                continue;
            },
        };

        println!(" Your guess is :{}",guess);

        match guess.cmp(&secret_number) {
    
            Ordering::Less => println!(" Your input is too small "),
            Ordering::Greater => println!(" Your input is too big "),
            Ordering::Equal => {
    
                println!(" You win , Guessed it , The mystery number is :{}",guess);
                break;
            }
            
        }
    }

}

Program running effect ：