diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..13df4d9
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "challenge"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/src/enum.rs b/src/enum.rs
new file mode 100644
index 0000000..7829d57
--- /dev/null
+++ b/src/enum.rs
@@ -0,0 +1,32 @@
+// Defining a simple enum
+enum Weekday {
+    Monday,
+    Tuesday,
+    Wednesday,
+    Thursday,
+    Friday,
+}
+
+// Enum with associated values
+enum Status {
+    Success(u32),
+    Error(String),
+}
+
+fn main() {
+    // Using enums in Rust
+    let today = Weekday::Wednesday;
+    let result = Status::Success(42);
+
+    // Pattern matching on enums
+    match today {
+        Weekday::Friday => println!("It's Friday! 🎉"),
+        _ => println!("It's not Friday yet. Keep coding! 💻"),
+    }
+
+    // Handling different cases of the Status enum
+    match result {
+        Status::Success(value) => println!("Operation was successful with value: {}", value),
+        Status::Error(message) => println!("An error occurred: {}", message),
+    }
+}
diff --git a/hello_world.rs b/src/hello_world.rs
similarity index 100%
rename from hello_world.rs
rename to src/hello_world.rs
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..1682dc9
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("30 days rust!");
+}