docs: connect cemo for python

docs-en/05-develop/01-connect/01-python.md

@@ -15,17 +15,13 @@ You'll need to have Python3 installed.
 
 ## Config
 
-Run this command in your terminal to save connect parameters as environment variables:
+Run this command in your terminal to save your url and token as variables:
 
 ```bash
-export TDENGINE_CLOUD_HOST=<host>
-export TDENGINE_CLOUD_PORT=<port>
+export TDENGINE_CLOUD_URL=<url>
 export TDENGINE_CLOUD_TOKEN=<token>
-export TDENGINE_USER_NAME=<username>
-export TDENGINE_PASSWORD=<password>
 ```
 
-
 <!-- exclude -->
 :::note
 You should replace above placeholders as real values. To get these values, please log in TDengine Cloud and switch to "Connector" section.
@@ -39,15 +35,10 @@ You should replace above placeholders as real values. To get these values, pleas
 import taosrest
 import os
 
-host = os.environ["TDENGINE_CLOUD_HOST"]
-port = os.environ["TDENGINE_CLOUD_PORT"]
+url = os.environ["TDENGINE_CLOUD_URL"]
 token = os.environ["TDENGINE_CLOUD_TOKEN"]
-user = os.environ["TDENGINE_USER_NAME"]
-password = os.environ["TDENGINE_PASSWORD"]
-
-conn = taosrest.connect(host=host,
-                        port=port,
-                        username=user,
-                        password=password,
-                        token=token)
+
+conn = taosrest.connect(url=url, token=token)
 ```
+
+The client connection is then established. 
\ No newline at end of file

docs-en/05-develop/01-connect/02-java.md

@@ -25,14 +25,12 @@ dependencies {
 
 ## Config
 
-Run this command in your terminal to save connect parameters as environment variables:
+Run this command in your terminal to save your url and token as variables:
+
 
 ```bash
-export TDENGINE_CLOUD_HOST=<host>
-export TDENGINE_CLOUD_PORT=<port>
+export TDENGINE_CLOUD_URL=<url>
 export TDENGINE_CLOUD_TOKEN=<token>
-export TDENGINE_USER_NAME=<username>
-export TDENGINE_PASSWORD=<password>
 ```
 
 <!-- exclude -->
@@ -48,23 +46,16 @@ You should replace above placeholders as real values. To get these values, pleas
 import com.taosdata.jdbc.TSDBDriver;
 
 import java.sql.Connection;
-import java.sql.DriverManager;
 import java.sql.SQLException;
-import java.util.Properties;
+
 
 public class ConnectCloudExample {
     public static void main(String[] args) throws SQLException {
-        String host = System.getenv("TDENGINE_CLOUD_HOST");
-        String port = System.getenv("TDENGINE_CLOUD_PORT");
+        String url = System.getenv("TDENGINE_CLOUD_URL");
         String token = System.getenv("TDENGINE_CLOUD_TOKEN");
-        String user = System.getenv("TDENGINE_USER_NAME");
-        String password = System.getenv("TDENGINE_PASSWORD");
-        String jdbcUrl = String.format("jdbc:TAOS-RS://%s:%s?user=%s&password=%s", host, port, user, password);
-        Properties connProps = new Properties();
-        connProps.setProperty(TSDBDriver.PROPERTY_KEY_TOKEN, token);
-        Connection conn = DriverManager.getConnection(jdbcUrl);
-        System.out.println("Connected");
-        conn.close();
+        Connection conn = TSDBDriver.connect(url, token); // demo code for discussion.
     }
 }
 ```
+
+The client connection is then established. 
\ No newline at end of file