1 files changed, 6 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-01-variables-are-immutable/src/main.rs b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-01-variables-are-immutable/src/main.rs
new file mode 100644
index 000000000..d64f46de4
--- /dev/null
+++ b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-01-variables-are-immutable/src/main.rs
@@ -0,0 +1,6 @@
+fn main() {
+    let x = 5;
+    println!("The value of x is: {x}");
+    x = 6;
+    println!("The value of x is: {x}");
+}