Diarization Output Modified [(#1586)](GoogleCloudPlatform/python-docs-samples#1586)

* Printing the last paragraph only.

* Python3 print

* Removing sample rate setting

* Adding the missing output parameter in the example

* Changes based on the comments

* Removed filenames as input parameters

* Removed unused args

* Updated README file

* Updated the inline comment

* Modified code to make it more readable

* Simplified the response object processing.

* Fixing the long line issue.

Author: happyhuman

samples/snippets/audio_profile.py

@@ -18,7 +18,7 @@
 
 Example usage:
     python audio_profile.py --text "hello" --effects_profile_id
-        "telephony-class-application"
+        "telephony-class-application" --output "output.mp3"
 """
 
 import argparse