2nd step

src/main.rs

@@ -1,13 +1,38 @@
+fn print_type_of<T>(_: &T) {
+    println!("{}", std::any::type_name::<T>())
+}
+
 fn main() {
     // let mut x = 5;
     // println!("The value of x is: {}", x);
     // x = 6;
     // println!("The value of x is: {}", x);
-    let x = 5;
 
-    let x = x + 1;
+    // let x = 5;
 
-    let x = x * 2;
+    // let x = x + 1;
 
-    println!("The value of x is: {}", x);
+    // let x = x * 2;
+
+    // println!("The value of x is: {}", x);
+
+    // addition
+    let sum = 5 + 10;
+    print_type_of(&sum);
+
+    // subtraction
+    let difference = 95.5 - 4.3;
+    print_type_of(&difference);
+
+    // multiplication
+    let product = 4 * 30;
+    print_type_of(&product);
+
+    // division
+    let quotient = 56.7 / 32.2;
+    print_type_of(&quotient);
+
+    // remainder
+    let remainder = 43 % 5;
+    print_type_of(&remainder);
 }