consolidate add/remove participants wording

Author: radubulboaca

articles/communication-services/quickstarts/rooms/includes/rooms-quickstart-java.md

@@ -129,7 +129,7 @@ CommunicationRoom roomResult = roomsClient.updateRoom(roomId, request);
 
 ### Add new participants 
 
-To add new participants to a `room`, issue an update request on the room's `Participants`:
+To add new participants to a `room`, use the `addParticipants` method exposed on the client.
 
 ```java
 RoomParticipant user1 = new RoomParticipant().setCommunicationIdentifier(new CommunicationUserIdentifier("<ACS User MRI identity 1>")).setRole(RoleType.ATTENDEE);
@@ -151,7 +151,7 @@ Participants that have been added to a `room` become eligible to join calls.
 
 ### Remove participants
 
-To remove a participant from a `room` and revoke their access, update the `Participants` list:
+To remove a participant from a `room` and revoke their access, use the `removeParticipants` method.
 
 ```java
 RoomParticipant user1 = new RoomParticipant().setCommunicationIdentifier(new CommunicationUserIdentifier("<ACS User MRI identity 1>")).setRole(RoleType.ATTENDEE);

articles/communication-services/quickstarts/rooms/includes/rooms-quickstart-javascript.md

@@ -130,7 +130,7 @@ Participants that have been added to a `room` become eligible to join calls.
 
 ### Remove participants
 
-To remove a participant from a `room` and revoke their access, update the `Participants` list:
+To remove a participant from a `room` and revoke their access, use the `removeParticipants` method.
 
 ```javascript
   // request payload to delete both users from the room

articles/communication-services/quickstarts/rooms/includes/rooms-quickstart-net.md

@@ -94,7 +94,7 @@ CommunicationRoom updateCommunicationRoom = updateRoomResponse.Value;
 
 ### Add new participants 
 
-To add new participants to a `room`, issue an update request on the room's `Participants`:
+To add new participants to a `room`, use the `AddParticipantsAsync` method exposed on the client.
 
 ```csharp
 var communicationUser1 = "<CommunicationUserId1>";
@@ -114,7 +114,7 @@ Participants that have been added to a `room` become eligible to join calls.
 
 ### Remove participants
 
-To remove a participant from a `room` and revoke their access, update the `Participants` list:
+To remove a participant from a `room` and revoke their access, use the `RemoveParticipantsAsync` method.
 
 ```csharp
 var communicationUser = "<CommunicationUserId1>";

articles/communication-services/quickstarts/rooms/includes/rooms-quickstart-python.md

@@ -116,22 +116,25 @@ except HttpResponseError as ex:
 
 ### Add new participants 
 
-To add new participants to a `room`, issue an update request on the room's `Participants`:
-
-```csharp
-participants = [RoomParticipant(CommunicationUserIdentifier("<ACS User MRI identity 4>"))]
+To add new participants to a `room`, use the `add_participants` method exposed on the client.
 
+```python
 try:
-    add_participants_response = self.rooms_client.add_participants(room_id=room_id, participants=participants)
-except HttpResponseError as ex:
-    print(ex)
+    participants = []
+    for p in participants_list:
+        participants.append(RoomParticipant(CommunicationUserIdentifier(p), RoleType.ATTENDEE))
+    self.rooms_client.add_participants(room_id, participants)
+
+    print(str(len(participants)) + ' new participants added to the room : ' + str(room_id))
+except Exception as ex:
+    print('Error in adding participants to room.',ex)
 ```
 
 Participants that have been added to a `room` become eligible to join calls.
 
 ### Remove participants
 
-To remove a participant from a `room` and revoke their access, update the `Participants` list:
+To remove a participant from a `room` and revoke their access, use the `remove_participants` method.
 
 ```python
 participants = [CommunicationUserIdentifier("<ACS User MRI identity 2>")]