Range syntax

src/main.rs

@@ -1,9 +1,5 @@
 fn main() {
-    // Definition of an array
-    let arr = [4, 8, 15, 16, 23, 42];
-
-    // loop over every element of the array
-    for value in arr {
+    for value in -10..10 {
         println!("Value: {}", value);
     }
 }