use region tags [(#1022)](#1022)

Author: dizcology

speech/snippets/transcribe.py

@@ -28,6 +28,7 @@
 # [END import_libraries]
 
 
+# [START def_transcribe_file]
 def transcribe_file(speech_file):
     """Transcribe the given audio file."""
     from google.cloud import speech
@@ -55,8 +56,10 @@ def transcribe_file(speech_file):
     for alternative in alternatives:
         print('Transcript: {}'.format(alternative.transcript))
     # [END migration_sync_response]
+# [END def_transcribe_file]
 
 
+# [START def_transcribe_gcs]
 def transcribe_gcs(gcs_uri):
     """Transcribes the audio file specified by the gcs_uri."""
     from google.cloud import speech
@@ -77,6 +80,7 @@ def transcribe_gcs(gcs_uri):
 
     for alternative in alternatives:
         print('Transcript: {}'.format(alternative.transcript))
+# [END def_transcribe_gcs]
 
 
 if __name__ == '__main__':

speech/snippets/transcribe_async.py

@@ -27,6 +27,7 @@
 import time
 
 
+# [START def_transcribe_file]
 def transcribe_file(speech_file):
     """Transcribe the given audio file asynchronously."""
     from google.cloud import speech
@@ -63,8 +64,10 @@ def transcribe_file(speech_file):
         print('Transcript: {}'.format(alternative.transcript))
         print('Confidence: {}'.format(alternative.confidence))
     # [END migration_async_response]
+# [END def_transcribe_file]
 
 
+# [START def_transcribe_gcs]
 def transcribe_gcs(gcs_uri):
     """Asynchronously transcribes the audio file specified by the gcs_uri."""
     from google.cloud import speech
@@ -93,6 +96,7 @@ def transcribe_gcs(gcs_uri):
     for alternative in alternatives:
         print('Transcript: {}'.format(alternative.transcript))
         print('Confidence: {}'.format(alternative.confidence))
+# [END def_transcribe_gcs]
 
 
 if __name__ == '__main__':

speech/snippets/transcribe_streaming.py

@@ -26,6 +26,7 @@
 # [END import_libraries]
 
 
+# [START def_transcribe_streaming]
 def transcribe_streaming(stream_file):
     """Streams transcription of the given audio file."""
     from google.cloud import speech
@@ -62,6 +63,7 @@ def transcribe_streaming(stream_file):
                 print('Confidence: {}'.format(alternative.confidence))
                 print('Transcript: {}'.format(alternative.transcript))
     # [END migration_streaming_response]
+# [END def_transcribe_streaming]
 
 
 if __name__ == '__main__':