Update main.py

main.py

@@ -11,6 +11,14 @@ UPLOAD_DIR = "uploads"
 if not os.path.exists(UPLOAD_DIR):
     os.makedirs(UPLOAD_DIR)
 
+@app.get("/")
+async def root():
+    """
+    Root endpoint that provides a welcome message and basic instructions.
+    """
+    return {"message": "Welcome to the PDF Processing API. Use '/extract/' to extract answers from a PDF or '/evaluate/' to evaluate student answers."}
+
+
 @app.post("/extract/")
 async def extract_pdf(file: UploadFile = File(...)):
     """