diff --git a/index.html b/index.html
index 328d42a..a6c0214 100644
--- a/index.html
+++ b/index.html
@@ -69,7 +69,10 @@
         document.getElementById("compile-button").addEventListener("click", () => {
             const code = document.getElementById("python-code").value;
             consoleElement.innerHTML = ""; // Clear console before running new code
-            pyodideWorker.postMessage({ code });
+            pyodideWorker.postMessage({
+                type: "execute",
+                code:  code 
+            });
         });
 
         // ✅ Update "distance" and "speed" every 2 seconds with random values
diff --git a/pyodide-worker.js b/pyodide-worker.js
index ba3c4db..350b562 100644
--- a/pyodide-worker.js
+++ b/pyodide-worker.js
@@ -1,30 +1,31 @@
 importScripts("https://cdn.jsdelivr.net/pyodide/v0.23.4/full/pyodide.js");
 
-let sensorData = {}; // ✅ Declare sensorData globally
+let sensorData = {}; // ✅ Store sensor values
 
 async function initializePyodide() {
     self.pyodide = await loadPyodide({
         indexURL: "https://cdn.jsdelivr.net/pyodide/v0.23.4/full/"
     });
 
-    // ✅ Explicitly define send_to_main before running Python
     self.pyodide.globals.set("send_to_main", (event, data) => {
         self.postMessage({ type: event, data: data });
     });
 
-    // ✅ Now set get_sensor_data AFTER Pyodide is initialized
+    // ✅ Expose sensor data to Python
     self.pyodide.globals.set("get_sensor_data", (name) => {
-        return sensorData[name] ?? null; // Return sensor value or null if not set
+        return sensorData[name] ?? null;
     });
 
-    // ✅ Define the robot module in Python
-    self.pyodide.runPython(`
+    // ✅ Run Python initialization
+    await self.pyodide.runPythonAsync(`
 import sys
 import pyodide
+import asyncio
+import time
 
 class RobotModule:
     def get_sensor(self, name):
-        return get_sensor_data(name)  # ✅ This should now work!
+        return get_sensor_data(name)
 
 robot = RobotModule()
 
@@ -36,21 +37,27 @@ def turn(deg):
 
 class ConsoleOutput:
     def write(self, text):
-        if text.strip():  # Avoid empty writes
-            send_to_main("console", text)  # ✅ send_to_main is now properly defined
-        return None
+        if text.strip():
+            send_to_main("console", text)
 
     def flush(self):
         pass
 
 sys.stdout = ConsoleOutput()
 sys.stderr = ConsoleOutput()
-
-# ✅ Register robot module in sys.modules
 sys.modules["robot"] = robot
+
+# ✅ Override time.sleep() with an async version
+_original_sleep = time.sleep  # Backup original sleep
+
+async def async_sleep(seconds):
+    await asyncio.sleep(seconds)  # ✅ Allows JavaScript to process events while sleeping
+
+
+time.sleep = async_sleep  # ✅ Monkey-patch time.sleep()
 `);
 
-    self.postMessage({ type: "ready" }); // Notify main thread that Pyodide is ready
+    self.postMessage({ type: "ready" }); // ✅ Notify main thread that Pyodide is ready
 }
 
 initializePyodide();
@@ -62,12 +69,11 @@ self.onmessage = async (event) => {
     }
 
     if (event.data.type === "sensor_update") {
-        // ✅ Update sensorData when receiving a sensor update
+        // ✅ Update sensor data
         Object.assign(sensorData, event.data.data);
-    } else {
+    } else if (event.data.type === "execute") {
         try {
             let result = await self.pyodide.runPythonAsync(event.data.code);
-            
             if (result !== undefined && result !== null && result !== "") {
                 self.postMessage({ type: "console", data: result });
             }