Fixed python code

Added missing "e." in front of "result".

Author: heikora

articles/ai-services/speech-service/includes/how-to/recognize-speech-results/python.md

@@ -30,9 +30,9 @@ This code snippet shows how to get the offset and duration from a `Recognizing`
 ```python
 def recognizing_handler(e : speechsdk.SpeechRecognitionEventArgs) :
     if speechsdk.ResultReason.RecognizingSpeech == e.result.reason and len(e.result.text) > 0 :
-        print("Recognized: {}".format(result.text))
-        print("Offset in Ticks: {}".format(result.offset))
-        print("Duration in Ticks: {}".format(result.duration))
+        print("Recognized: {}".format(e.result.text))
+        print("Offset in Ticks: {}".format(e.result.offset))
+        print("Duration in Ticks: {}".format(e.result.duration))
 ```
 
 ### Recognized offset and duration