Changed Op2 to return number only

app.py

@@ -11,7 +11,7 @@ def Op2(MaxNums, sleep = 0):
     yield "--start--"
     
     for num in range(1, MaxNums + 1):
-        yield f"num:{num}"
+        yield f"{num}"
         time.sleep(sleep / 1000.0)
     
     yield "--end--"