A simple program that I wrote using Rust programming language that will ask the user to give two numbers and then the program will subtract the difference of the two given numbers and display the results on the screen.

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Program Listing
/* diff.rs
   Author   : Mr. Jake Rodriguez Pomperada, MAED-IT, MIT
   Date     : January 6, 2023   Friday   9:46 PM
   Address  : #25-31 Victoria Malaga Street Eroreco Subdivision 6100 Bacolod City, Negros Occidental Philippines
   Websites : www.jakerpomperada.com  and www.jakerpomperada.blogspot.com
   Facebook : https://www.facebook.com/jakerpomperada
   YouTube Channel :  http://www.youtube.com/jakepomperada
   Email            : jakerpomperada@gmail.com
   Mobile Number    : 09173084360  
   Telephone Number : (034) 433-5675
*/

use std::io;
use std::{i32};

fn main() {
        
      
         println!("\n");
         println!("Subtract Two Numbers in Rust\n\n");

         // User will give the first value.

          println!("Give First Value : ");
         
          let mut var1 = String::new();
          
          io::stdin().read_line(&mut var1).expect("Unable to read entered data");

          println!("\n");

          // User will give the second value.

          println!("Give Second Value :  ");
          let mut var2 = String::new();
          io::stdin().read_line(&mut var2).expect("Unable to read entered data");

          // Converting string to integer
          let a: i32 = var1.trim().parse().ok().expect("Program only processes numbers, Enter number");
          let b: i32 = var2.trim().parse().ok().expect("Program only processes numbers, Enter number");

          // Performing subtraction of two values variable a and variable b

          let subtract = a-b;

          // Output of basic operations
          println!("\n");
          println!("The difference between {} and {} is {}.",a,b, subtract);
          println!("\n");
          println!("End of Program");
          println!("\n");
}  // End of Code