Update app.py

app.py

@@ -45,8 +45,10 @@ if st.button("▶ Run Code"):
         with st.spinner("Running your code..."):
             try:
                 # Send code to backend
-                response = requests.post("API_URL = "https://your-backend-service.onrender.com/run""
-", json={"code": code})
+                API_URL = "https://your-backend-service.onrender.com/run"  # Correct way to define API_URL
+
+response = requests.post(API_URL, json={"code": user_code})  # Correct API call
+
                 output = response.json().get("output", "Error in execution.")
 
                 # Display output