diff --git a/rustbyexample/variable_bindings/mut.rs b/rustbyexample/variable_bindings/mut.rs
new file mode 100644
index 0000000..829d6ed
--- /dev/null
+++ b/rustbyexample/variable_bindings/mut.rs
@@ -0,0 +1,12 @@
+fn main() {
+    let _immutable_binding = 1;
+    let mut mutable_binding = 1;
+
+    println!("Before mutation: {}", mutable_binding);
+
+    mutable_binding += 1;
+
+    println!("After mutation: {}", mutable_binding);
+
+    // _immutable_binding += 1;
+}