Fix: Remove extra quote in Sample docstrings (#348)

There's an extra quote at the end of docstrings, causing the docs
to not be rendered correctly.
They look like commented code.

Removing the trailing \n" will fix the rendering.

Author: Mariatta

classroom/snippets/classroom_all_submissions.py

@@ -28,7 +28,7 @@ def classroom_all_submissions(course_id, user_id):
     Creates the list of all submissions of the courses the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
     """
 
     creds, _ = google.auth.default()

classroom/snippets/classroom_create_coursework.py

@@ -28,7 +28,7 @@ def classroom_create_coursework(course_id):
     Creates the coursework the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
     """
 
     creds, _ = google.auth.default()

classroom/snippets/classroom_invite_guardian.py

@@ -28,7 +28,7 @@ def classroom_invite_guardian():
     Creates the courses the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
     """
 
     creds, _ = google.auth.default()

classroom/snippets/classroom_list_student_submissions.py

@@ -27,7 +27,7 @@ def classroom_list_student_submissions(course_id, coursework_id, user_id):
     Creates the courses the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
     """
 
     creds, _ = google.auth.default()

classroom/snippets/classroom_list_submissions.py

@@ -27,7 +27,7 @@ def classroom_list_submissions(course_id, coursework_id):
     Creates the courses the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
     """
 
     creds, _ = google.auth.default()

sheets/snippets/sheets_append_values.py

@@ -28,7 +28,7 @@ def append_values(spreadsheet_id, range_name, value_input_option,
     Creates the batch_update the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
         """
     creds, _ = google.auth.default()
     # pylint: disable=maybe-no-member

sheets/snippets/sheets_batch_get_values.py

@@ -27,7 +27,7 @@ def batch_get_values(spreadsheet_id, _range_names):
     Creates the batch_update the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
         """
     creds, _ = google.auth.default()
     # pylint: disable=maybe-no-member

sheets/snippets/sheets_batch_update_values.py

@@ -28,7 +28,7 @@ def batch_update_values(spreadsheet_id, range_name,
         Creates the batch_update the user has access to.
         Load pre-authorized user credentials from the environment.
         TODO(developer) - See https://developers.google.com/identity
-        for guides on implementing OAuth2 for the application.\n"
+        for guides on implementing OAuth2 for the application.
             """
     creds, _ = google.auth.default()
     # pylint: disable=maybe-no-member

sheets/snippets/sheets_conditional_formatting.py

@@ -27,7 +27,7 @@ def conditional_formatting(spreadsheet_id):
     Creates the batch_update the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
         """
     creds, _ = google.auth.default()
     # pylint: disable=maybe-no-member

sheets/snippets/sheets_create.py

@@ -27,7 +27,7 @@ def create(title):
     Creates the Sheet the user has access to.
     Load pre-authorized user credentials from the environment.
     TODO(developer) - See https://developers.google.com/identity
-    for guides on implementing OAuth2 for the application.\n"
+    for guides on implementing OAuth2 for the application.
         """
     creds, _ = google.auth.default()
     # pylint: disable=maybe-no-member