Prompt Title: good answer

I see. In that case, you would need to use a tool or library that allows you to control the browser programmatically, such as Selenium WebDriver.

Here's an example of how you could use Selenium WebDriver in Python to access and modify the code of a website that's currently open in the Opera browser:

First, you'll need to install the Selenium library by running the following command in your terminal or command prompt:

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pip install selenium

Then, you'll need to download the Opera WebDriver executable for your operating system from the following link: https://github.com/operasoftware/operachromiumdriver/releases

Make sure to choose the version that matches the version of your Opera browser.

Once you've downloaded the Opera WebDriver executable, you can use the following Python code to access and modify the HTML code of the website that's currently open in the Opera browser:

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from selenium import webdriver

# Create an instance of the Opera WebDriver
# Replace the path with the path to the Opera WebDriver executable on your system
driver = webdriver.Opera(executable_path='/path/to/operadriver')

# Get the current URL of the active tab in the Opera browser
url = driver.current_url

# Navigate to the current URL
driver.get(url)

# Modify the HTML code
# For example, let's replace the text "Example Domain" with "My Example Domain"
title_element = driver.find_element_by_tag_name("title")
driver.execute_script("arguments[0].innerText = 'My Example Domain';", title_element)

# Quit the Opera WebDriver
driver.quit()

This code will create an instance of the Opera WebDriver, get the current URL of the active tab in the Opera browser, navigate to the current URL, and modify the HTML code to replace the title with "My Example Domain". You can modify the code to make other changes to the HTML as needed.