DOCS: actualize examples for selenium 4 on python

Author: aleksandr-kotlyar

Diff for: docs/desktop.md

@@ -5,13 +5,28 @@ For now to drive the Chromium-based Opera you’ll need to use the `RemoteWebDri
 ## Creating an OperaDriver service
 
 ```python
-# Create OperaDriver service:
+# Create and start OperaDriver service:
 from selenium.webdriver.chrome import service
 webdriver_service = service.Service(opera_driver_exe_path,
                                         port_on_which_service_will_be_running)
+webdriver_service.start()
 ```
+### Creating a remote webdriver for selenium 4
 
-### Creating a remote webdriver
+```python
+# Create OperaDriver options:
+from selenium import webdriver
+options = webdriver.ChromeOptions()
+options.binary_location = opera_exe_path
+options.add_experimental_option('w3c', True)
+```
+
+```python
+# Create remote webdriver
+remote = webdriver.Remote(webdriver_service.service_url, options=options)
+```
+
+### Creating a remote webdriver for selenium 2, 3
 
 ```python
 # Create remote webdriver:

Diff for: docs/python-setup-step-by-step.md

@@ -36,7 +36,10 @@
 ## Run example
 
 For Android use [pure Selenium](../examples/android.py) or [Appium](../examples/appium_simple.py).
-Desktop example: [desktop.py](../examples/desktop.py).
+
+Desktop example for selenium 2 and selenium 3: [desktop_selenium_2.x_and_3.x.py](../examples/desktop_selenium_2.x_and_3.x.py).
+
+Desktop example for selenium 4: [desktop_selenium_4.x.py](../examples/desktop_selenium_4.x.py).
 
 ## Troubleshooting
 

Diff for: examples/desktop.py renamed to examples/desktop_selenium_2.x_and_3.x.py

@@ -0,0 +1,22 @@
+import time
+
+from selenium import webdriver
+from selenium.webdriver.chrome import service
+
+from selenium.webdriver.common.by import By
+
+webdriver_service = service.Service("path/to/operadriver")
+webdriver_service.start()
+
+options = webdriver.ChromeOptions()
+options.binary_location = "path/to/operabrowser"
+options.add_experimental_option('w3c', True)
+
+driver = webdriver.Remote(webdriver_service.service_url, options=options)
+
+driver.get('https://www.google.com/')
+input_txt = driver.find_element(By.NAME, 'q')
+input_txt.send_keys('operadriver\n')
+
+time.sleep(5)  # see the result
+driver.quit()