updated required python version

Author: olena-stoliarova

rooms-quickstart/README.md

@@ -15,7 +15,7 @@ For full instructions on how to build this code sample from scratch, look at [Qu
 ## Prerequisites
 
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
-- Install [Python](https://www.python.org/downloads/) 3.7+.
+- Install [Python](https://www.python.org/downloads/) 3.7 or above.
 - Create an Azure Communication Services resource. For details, see [Quickstart: Create and manage Communication Services resources](https://docs.microsoft.com/azure/communication-services/quickstarts/create-communication-resource). You'll need to record your resource endpoint for this quickstart.
 - Create a  [user access token](https://docs.microsoft.com/azure/communication-services/quickstarts/access-tokens?pivots=programming-language-python). Be sure to set the scope to **voip**, and note the **token** string as well as the **userId** string.
 

send-sms-quickstart/README.md

@@ -15,7 +15,7 @@ For full instructions on how to build this code sample from scratch, look at [Qu
 ## Prerequisites
 
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F). 
-- [Python](https://www.python.org/downloads/) 3.7+.
+- [Python](https://www.python.org/downloads/) 3.7 or above.
 - An active Communication Services resource and connection string. [Create a Communication Services resource](https://docs.microsoft.com/azure/communication-services/quickstarts/create-communication-resource).
 - An SMS enabled telephone number. [Get a phone number](https://docs.microsoft.com/azure/communication-services/quickstarts/telephony-sms/get-phone-number?pivots=programming-language-python).