fix: correct region tag formatting (#102)

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Fixes #<issue_number_goes_here> 🦕

samples/snippets/sample_pagination.py

@@ -14,14 +14,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# [START compute_images_list_page ]
-# [START compute_images_list ]
+# [START compute_images_list_page]
+# [START compute_images_list]
 import google.cloud.compute_v1 as compute_v1
-# [END compute_images_list ]
-# [END compute_images_list_page ]
+# [END compute_images_list]
+# [END compute_images_list_page]
 
 
-# [START compute_images_list ]
+# [START compute_images_list]
 def print_images_list(project: str) -> None:
     """
     Prints a list of all non-deprecated image names available in given project.
@@ -42,10 +42,10 @@ def print_images_list(project: str) -> None:
     # requests to the API for you, so you can simply iterate over all the images.
     for img in images_client.list(request=images_list_request):
         print(f" -  {img.name}")
-# [END compute_images_list ]
+# [END compute_images_list]
 
 
-# [START compute_images_list_page ]
+# [START compute_images_list_page]
 def print_images_list_by_page(project: str, page_size: int = 10) -> None:
     """
     Prints a list of all non-deprecated image names available in a given project,
@@ -70,7 +70,7 @@ def print_images_list_by_page(project: str, page_size: int = 10) -> None:
         print(f"Page {page_num}: ")
         for img in page.items:
             print(f" - {img.name}")
-# [END compute_images_list_page ]
+# [END compute_images_list_page]
 
 
 if __name__ == '__main__':